A split between Great! and Nifty! for those who don't know wether to sound like a normal person, or a tard.
Wow! That drag race was.. grifty! Yah!
by LeekunEG June 21, 2005
Shady, of suspicious character, untrustworthy
The guy who owns that shop is really grifty. I think his business is a front for illegal activity.
by T.M. Mann August 14, 2007