bellybutton fucker 

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

bellybutton fucker by smashedflat January 12, 2008

Ninja belly button fucker 

When a guy of big size stuffs it in your bellybutton when you least expect it

omg i was expeting it in my pussy but this ninja belly button fucker stuck it in my bellybutton

Ninja belly button fucker by yourmother2323465 February 24, 2010