From the PC game Counter-Strike, where C1 will send a radio message 'Roger that'.
Now used in real life.
Geek 1: Man this new monitor rocks!
Geek 2: C1 on that.
"afirmative" - a phrase in the game counter-strike
Rh0x (DEAD): man that LyNx kid is a faggot
A cs-ers counter-strike
way of saying "Affirmative". If you press c 1 in Counter-strike it`ll say affirmative.
someone: "Need backup"
Small single engined airplane made by Cessna. Generally refers to the Cessna 172, the most highly produced airplane in the world.
Bob: We flew down to LA in the C1. It was so fly.
Edith: That's ballin' bro.
Bob: They make a Gulfstream do 360s for 5 minutes while we were in the pattern to land.
Edith: That bitch in the G6 must have been way pissed.
Bob: Hella pro.