Top Definition
when 2 people press their buttholes tautly against each others, and one person farts into the other's butthole
Last night, Frederico gave me a siamese whoopee cushion. It was even better when i blew it back into his butt.
by the wundatwinz December 23, 2005
5 Words related to siamese whoopee cushion

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.