For the Reduplicators playing at home, here is a simple A to Z list of the terms collected so far, excluding the adult/rude terms. There are currently 513 words and phrases on this list. I am happy to add any that you suggest. The Reduplicator who asked for the simple list is probably better at this than I am. Let’s see what we can add!
ab fab
abracadabra
AC/DC
ack-ack
ag bag
airfare
airy-fairy
alright, uptight, and out of sight
ants in pants
argy-bargy
Arnie’s Army
artsy farsty
AT-AT
aye-aye
backpack
backtrack
bag and tag
balls to the wall
Bamm-Bamm
bandstand
bang bang
Barmy’s Army
bb
beat feet
bedhead
bedspread
Bee-Gee’s
beep-beep
bee’s knees
beriber
better dead than red
bibbidi bobbidi boo
big dig
big wig
bird nerd
black jack
blah blah
bling bling
blow and go
blue flu
blue’s clues
bobo
BOGO
bolo
bonbon
boo-boo
boob tube
boogie woogie
boo-hoo
boolah boolah
Bott’s dots
bouncy bouncy
boy toy
bow wow
bozo
brain drain
bric-a-brac
buddy-buddy
bunch punch
butt hut
bye-bye
can-can
Care Bear
cash for trash
cha-cha
chalk talk
cheat sheet
chick flick
chill pill
Chilly Billy
Chilly Willy
chip chop
chit chat
Chitter Chatters
Chitty-Chitty Bang Bang
chock-a-block
choo-choo
chop chop
chop shop
chow-chow
chubby hubby
chug-a-lug
chug-chug
Chunky Monkey
clap trap
click clack
clip-clop
clumbsome
cookbook
cook the books
coulda, woulda, shoulda
cop shop
couscous
cox box
cray cray
creature feature
crinkum-crankum
crisscross
crop top
cuchi-cuchi
cuff and stuff
culture vulture
dash for cash
deadhead
Delhi belly
dik-dik
dilly dally
din-din
dingaling
ding dong
ditch witch
dodo
dojo
double trouble
dream team
dum-dum
dykes on bikes
Easy peasy
eency weency
eenie meenie
eighter from decatur
even steven
eye spy
fab lab
fag hag
fag tag
fall ball
fat cat
fat hat
fe-fi-fo-fum
fe-fe-fi-fi-fo-fo-fum
ender bender
fiddle faddle
fight night
fitbit
fight or flight
flapjack
Flavor Flav
fleet feet
fleet wekk
flim flam
flim flam man
flip flop
Flo Jo
Flopsy, Mopsy and Cottontail
flower power
Flub-a-Dub
flyby
foo-foo
Foxy Loxy
freaks and geeks
frou frou
fro yo
frozen Chosin
fuddy duddy
Fungo Mungo
funky monkey
funny money
fun run
fuzzy wuzzy
ga ga
gal pal
gender bender
Gigi
gnip gnop
gobble gobble
god squad
go-go
goody goody
goofy Newfie
goo-goo
green jeans
green machine
ground pounder
gruesome twosome
ha-ha
handy Andy
handy dandy
hanky panky
happy clap
hari-kari
harum scraum
haw-haw
heebie jeebies
hell’s bells
helter skelter
herky jerky
he-she
Heckle and Jeckle
Heyday
hickety dickety
hickory dickory
hi fi
higgledy piggly
hi-ho
hip hop
hippie-dippy
hippity-hop
hippity hoppity
hob nob
hobo
hocus pocus
hodge podge
ho-ho-ho
hoi polloi
hoity toity
hokey pokey
holy moley
honey bunny
hoochie coochie
hoochie coochie dance
hoolah boolah
hotch potch
hot shot
hot spot
hotsy totsy
hot to trot
house mouse
hubba-hubba
hubble bubble
hub bub
Huey, Dewey and Louie
hugger-mugger
hula-hula
hullabaloo
hully gully
humdrum
Humpty Dumpty
hurdy gurdy
hurly burly
hurry scurry
hush-hush
inky dinky
in like Flynn
I Spy
It’s It
itsy bitsy
itty bitty
jack mack
jaw-jaw
jeepers creepers
jelly belly
jibber jabber
jib-jab
jim-jams
jingle-jangle
Joe Blow
Joe Schmo
John-John
Jo-Jo
Joy Boy
kissin’ cousins
kissy-kissy
kit kat
killer diller
King Kong
kiwi
knick knack
knock-knock
Koko
Lair of the Bear
la-la
lazy Daisy
Lazy Mazy
legal beagle
legal eagle
lick ‘n’ stick
light, bright, and damned near white
Lite Brite
Little Joe from Kokomo
lock, stock and barrel
Lo-Do (Denver)
logo
Lolo Jones
loosie goosey
lovey dovey
lucky duck
Lulu
maitai
mama
mates’ rates
Mauii Wowie
Mau-Mau (noun)
Mau-Mau (verb)
maul ball
May Day
meals on wheels
mellow yellow
mishmash
mish mosh
mish, mosh and mogo
mod squad
mojo
MOMA
money honey
mop top
muckety-muck
Muddy buddies
multi culti
mumbo jumbo
Mushu
Muumuu
namby pamby
Nanu-Nanu
naysayer
near beer
never ever
never-never
night light
night night
niminy piminy chits
nit wit
nitty gritty
No-Do (Omaha)
no go
no no
no show
num-nums
odie-dodie
oily-oily oxen free
oeey goeey
oh-oh
okey dokey
ooh la-la
palsy-walsy
papa
papa oo mow mow
party hearty
pawpaw
pay day
pedal to the metal
pee-pee
peewee
peg leg
pell mell
picnic
Piggly-Wiggly
ping pong
pish posh
pitter patter
pity party
plain Jane
Pogo
pogo stick
polo
pom-pom
pooh pooh
pooper scooper
po-po
pot shot
pow wow
Provo
putt-putt
quacker backer
quirky Berkeley
rag bag
raggle taggle
ragin’ Cajun
rag ta
rah-rah
razzle dazzle
razzmataz
ready steady
redhead
reet, petite and gone
regal beagle
repo depot
repple depple
rib rub
riff raff
righty tighty
ring-a-ding
ring a ling
rinky dink
riprap
rootin’ tootin’
roly-poly
rope-a-dope
rub-a-dub-dub
rude food
rumble in the jungle
rumpy pump
same same
same old same old
say hey
sci fi
see saw
seven from heaven
shake n’ bake
Sha-Na-Na
shilly shally
ship shape
shock jock
short-shorts
Silly Billy
single digit midget
Sing Sing
sing-song
Skinny Minnie
slap happy
Slim and Slam
slimjim
slip, slap and slop
slow mo
slug bug
small ball
snail mail
sneak peak
snip snap
snow-blower
Soho (London)
solo
so-so
spiro gyro
splish splash
Spruce Goose
squeegee
stinky pinky
stranger danger
street beat
study buddy
stun gun
sump pump
super duper
swag bag
sweet meat
sweet treat
take and bake
talkie-talkie
teeny tiny
teeny weeny
teepee (tipi)
teeter-totter
Tex-Mex
Thrilla in Manilla
thunder from down under
tickle the pickle
tick tack toe
tick tock
ticky tack
tidy whitey
tie dye
tighty whities
Tiki
tingaling
titbit
tit for tat
tittle-tattle
tom-tom
too cool for school
tootie fruity
toot toot
Toto
town clown
trance dance
tramp stamp
treadhead
true blues
turn and burn
tussie-mussie
tutu
Tweedledee and Tweedledum
tweet-tweet
Two buck Chuck
tyke bike
Vini, vidi, vici.
voodoo
wabi sabi
wacky tobaccy
waka waka waka
wake ‘n bake
wakey, wakey, eggs and bakey
walkie talkie
walk the walk and talk the talk
wall ball
Walla Walla
Wavy Gravy
wawa
waylaid
waylay
wear and tear
weeble wobble
wee-wee
wee, wee Marie
wham bam
wheeler-dealer
whiskey frisky
white flight
whoo hoo
wifi
wigwag
wigway
willy nilly
wing ding
winky dinky
wishy washy
wooly bully
word nerd
yada-yada
yakety-yak
yard guard
ya-ya
ya-ya’s
yin yang
yolo
yo-yo
yoo-hoo
zig zag
zoo crew
zoo doo
zoot suit
Zsa-Zsa
Zulu
