Verb.
Also can be used as bonestormin' or bonestormed.
To have
sex with a man, specifically when a
woman targets a man's penis (
aka bone) and storms that shit.
This is generally a targeted act, though it requires consent from both parties.
Chelsea totally bonestormed that cute mullet
boy from the bar last night...he did not have a chance!
"That
boy is a babe! I want to bonestorm him!"
said Chelsea. "So you are gonna storm his bone?" asked Bonnie. "Yeah his bone in gonna get stormed!" exclaimed Chelsea.