PtG's definitions

CU

Something said in response to someone getting owned. Can also be applied to other objects, as in "C me," "C him," "C them," etc.

Your buddy: It took me 20 minutes to get to your house because of this old lady driving in front of me.
You: Heh, CU!
Your buddy: Yeah, but since it took so long, the ice cream I brought melted.
You: Ooh, C us.

by PtG May 29, 2007