pronebone

To have sexual intercourse with a person who's lying on her (or his) belly. More precisely, to "bone" a "prone" person.

Then she turned round on the bed and spread her buttcheeks, so I started to pronebone her like a madman!

by wah wah wee wah January 13, 2009

proneboning

bb: do you like proneboning?
P: the csr didnt ask me but they did to another t-mo user
P: proneboning is not yet defined
P: via urbandictionary
bb: do you know what prone bone is?
bb: boning a girl that's in the prone position
bb: add it
P: lol

Please see above for an example of proneboning.

by iphungy December 25, 2007