Top definition
when one is fat enough that the bellybutton is surrounded in fat and belly button has enough fat surrounding it for it to become large enough to stick a penis into the hole and fuck it.
i don't know if i am fucking a vagina or a bellybutton but it feels damn good... i am a bellybutton fucker
by smashedflat January 03, 2008
Get the mug
Get a bellybutton fucker mug for your barber Trump.