An argument on an internet mesageboard that soon spirals out of control with everyone getting involved, and in the end no-one really knows what the argument was about !!!
Bin is short for BINNER which describes somebody who is a complete MOWTCHOPS. Ergo, a binfest is a festival of binners normally arguing the toss over something that matters not in the real world.
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.