Top definition
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.
by Chris January 08, 2004
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
2
Rh0x (DEAD): man that LyNx kid is a faggot
Sh0cK(DEAD): c1
by shock March 23, 2003
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
3
A cs-ers counter-strike way of saying "Affirmative". If you press c 1 in Counter-strike it`ll say affirmative.
someone: "Need backup"
lilgirl: "c1"
by lilgirl August 12, 2003
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
4
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.
by c1pilot August 04, 2011
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug