contraction from "cock chafer".
A cock chafer is a
male who is bad at recieving
anal sex, particularly it hurts the giver. Or a
male who masturbates too much thus chafing his member.
This insult is used to describe one who is irritating and grating.
Jimmy is such a cock chafer, he comes round all the
time.
da_
rude was such a chafer, he always posted the most ridiculous shit.