n. An unclaimed fart that is inconspicuously concealed from the audible senses of the people in the vicinity, usually protruding from a girl’s butthole.
DUDE: Koti! did you just tnewt on my towel? thats fucking sick!
CHICK: EW no way! i didn't just tnewt!
DUDE: um i'm pretty sure i smell a foul stench.
CHICK: EW no way! i didn't just tnewt!
DUDE: um i'm pretty sure i smell a foul stench.
by Ajsherco290 October 22, 2009
Get the tnewtmug.