3MF

an abbreviation for '3 meter flatty', meaning a flethead fish, that is 3 meters. this symbol (3MF) is usually found around st marys cathedral college, these are written by a nice group of blokes.

person 1: "y'know the flattys are bustin up"
person 2: "yeah gonna go catch some 3MF in the fletty hole, might be clogged all the dogs on the ramp"
person 1: "yeah yeah nah"