A significant other, usually a girlfiend who does nothing but complain and attempts to take the boyfriends freedom away and crash boys nites. this is normally caused by the girlfriend being a loser or having no friends
ie. oh gosh tycant go to the boys nite cos the handbrake is on
The large appendage that hangs down toward the back end of a horse's belly. Resembles something normally found behind the gearstick of a car, between the seats.
"Check the handbrake on the thoroughbred over there, I wouldn't like to get on the receiving end of that in a dark alley"