look up any word, like dirty sanchez:
 
1.
UAK
UAK - U Alreadyy Know
Yo dru, why you hella raw at black ops?

Cuz UAK.

-Tha Reaalest
by ernburn November 05, 2010
 
2.
UAK
United Appreciation of Kakaree, term used as a verbal pat on the back when a male interacts with an attractive female.
Friend A: I got the counter girls phone number!
Friend B: you're UAK
by Tinkmeister August 04, 2011