Intransitive verb. To win in a fight without contest. Derived from (rare) to send the opponent
on the run and deliver a parting blow with one's foot at the decisive
conclusion.
Adjective. The ability to win in a fight or argument without contest.
Noun. By extension, anything that would rock hard enough to win in a fight or as the subject of an argument.
1)My
martial arts instructor kicked my ass yesterday.
2)A strong military is kick ass. A country that bargains with or runs from
terrorists is not kick ass.
3)A man in uniform is kick ass.
Terrorists are not kick ass.