the tail bone,pelvis ,it pretty much defines itself.
i was screwing her doggystyle and my pubes kept grinding hard on her assbone.

that guys a total assbone
by the real luba May 21, 2008
Get the assbone mug.
Being fucked up the ass by a large boner... i.e. assboned.
"Ouch...."
"Hey man, what happened?"
"They made us do a bunch of glute exercises at practice....I feel like I just got assboned."
by Loban17 February 5, 2010
Get the Assboned mug.
a boner that you get in you bumbum
man ive got the biggest assboner
by periii December 5, 2010
Get the assboner mug.