"Pants" backwards. Something or someone that is totally with it. Related somewhat to "suppish".
"That was stnap, dawg."
by Sudy Nim February 28, 2005
Adj. Something really freakin' cool, something ninja, or something downright badass.
Dude, that really freakin' cool ninja move was downright badass!
by Sudy Nim April 03, 2005