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Street slang for skill.
zkill is a synonym of skill.
That dude has some zkills.
by benjMiN October 12, 2011
When sombody (ex: mom or brother) walks in your room and wakes you up 1-2 minutes before your alarm clock is sopposed to go off. Related to Buzz Kill.
sleeping person- Zzzz

Mom-*opens door* hey do you know where the plunger is?

sleeping person- What? Gosh Mom! Could you be more of a Z' Kill!?
by Sandwoman April 20, 2010