Definitions by Warner C.

kickin 

can be used in two different ways depending on how and why you say it
#1. can be used to describe something that smells bad
#2. can be used to say how good someone looks

#1.
person 1 - how does my breath smell?
person 2 - damn, your breath is kickin, get a breath mint or something

#2.
person 1 - yo, you see her?
person 2 - yeah, her body's kickin

kickin by Warner C. December 14, 2008