Hence, also used as a slang for condoms, used when having a conversation over the phone that you don't want your parents to hear.
2) Something that is spherical and made of rubber and full of air and makes little kiddies cry if you take it away from them.
3) Slang for a condom
2) the big red baloon (the dumb kiddie book)
3) there is such a dumb sarcasrtic definition for a baloon (the other definition)