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2.
To fuck someones belly button and cum into it.
Me and Stephen fucked alot last night, we even belly fucked
by Ryan McDonalds July 31, 2007
 
1.
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.
by M.R. March 21, 2003