Definitions by Whaddya Know

tightass 

Also tight-ass: One (esp. female) who won't give it up (booty, snatch, whatever). Can be induced by money, power, style or merely the illusion of it. Other similarly arbitrary criteria may apply.

Look at Trudy, she's such a tightass. She won't give it up for anyone!

tightass by Whaddya Know July 27, 2006