What is Arm Breaker?
1.
a very long masturbation session, where it feels almost like your arm is ready to break.
john: i had a wank last night and it was a propper arm breaker!
jack: fuck me mate you need a bird!
See
2.
a huge line of cocaine done by peer pressure; "twisting someone's arm" until it breaks.
Let's line up some fat arm breakers!
See
