gay fag a boner that a man gets while getting boned in the but hole.
also can be used to describe a person who is an asshole or this he is better than he really is.
1.in pe locker room
able: "dude, how was your weekend"
even: "like totally horrible!, i was boning my boyfriend in the ass right?? and then all the sudden he gets a boner and i was all like 'dude, why are you popping a massine!?"
able:"dude, totally gay, who the hell gets a massine while getting boned!?"
2.dude, quit being such a massine, asshole.