Funny childhood slang - add yours...
 

... my son calls christmas, shmismas...:1orglaugh:1orglaughit is the funniest thing I have ever heard.
My wifes younger sister had a funny one also - hobpita for hospital.
I used to call a wallet a wallop.

i never had any. My parents were always real big on me saying words right, even if it was cute.

fruck - the way I said "truck" (oooh, that's a close one)
guck - the way my daughter says "stuck"
bubbajoo - W

I used to say snoggys for yogurt wich I always loved.

i used to think that when someone said "pardon?" the answer was always "juice." :) don't ask.

pa-scetti for spagetti

and

seega for horse....yeah, i don't know where that came from

I said pussy instead of every word (but only until I became 18 yo) :)

btw we have the word pussy in hungarian, it means 'kiss' here. and when I heard the first hiphop song at the age of 8, I thought black guys love each other so much, that they're always kissing :)
I'm stupid

Eppsplane for airplane.

I dont remember much, I was pretty young when i was a kid.