Top Definition
A radio transmission in Counter-Strike, meaning:

Cover me!

but said in normal life
z1, z1!!! wtf?
by Lorne Richardson July 06, 2003
Fast 70's motorcycle with an inline four that eats Harleys for breakfast.
Thats a badass Z1 you got there. What year is it?
by T- bag April 10, 2006
IM way to say zone
Guy 1 writes: "i have to get in the z1 to go skydiving tmrw!"
Guy 2 writes: "w/e dude, ill stick to sk8ing"
Guy 1 writes: "bitch"
by ultra555 August 19, 2009

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