kick-ass

[kik-as] /ˈkɪkˌæs/
adjective, Slang.
1.
strikingly or overwhelmingly tough, aggressive, powerful, or effective:
He finally built himself a kick-ass computer.
Also, kickass.
Origin
British Dictionary definitions for kick-ass

kick ass

verb (intransitive)
1.
to be impressive, esp in a forceful way: pop music that kicks ass
adjective
2.
forceful, aggressive, and impressive
Contemporary definitions for kick-ass
adjective

aggressive, forceful

adjective

very effective

Slang definitions & phrases for kick-ass

kick-ass

adjective

(also kick-butt or kick-yer-ass) Rough; powerful; rough-ass, tough: that kick-ass attitude/ gave up its last drop of kick-ass Gewurztraminer/ the only team without a kick-butt run blocker on their line

noun

Power; energy; virility: He's the guy who coaxed the kick-ass back into the torque/ with the gall to label such Muzak kick-ass (1970s+ Army)