Acronym for "Fuckin' Thursday
Night." Used for parties and other crazy shit that happens on any
given Thursday
night. Usually dealing with some form of alcohol or drug use as well.
Alex: Drive drive drive! I just lit
Tim's basketball net on
fire!
Ryan: Dude, it's fuckin Thursday night!
Clayton: No Friday class tomorrow, what's good tonight?
Tim: Just bought a thirty rack and a fifth and ordered some wings. FTN.
Clayton: I'm on my way.