1) The process of having sex with a fat chick in the Naval. 2) Drawing out before ejaculation and letting it flow over a chick's belly.
ayon kay M.R. ika-21 ng Marso, 2003
To fuck someones belly button and cum into it.
Me and Stephen fucked alot last night, we even belly fucked
ayon kay Ryan McDonalds ika-31 ng Hulyo, 2007