Talking badly with a cocky attitude; to talk back.
Traces back to late 2004 when AdamQ and Christi were making rules for Christi's Canesty (pronounced kane`stir
). Derived from "cocky attitude" and "bad mouth".
-AdamQ: Ummm... FAIL!
-Christi: Are you cockmouthing me? Refer to rule number 1, please.
-"OMG, that bitch was cockmouthing me behind my back!"
A person who happens to prefer sucking cocks to handjobs and/or can fit quite alot of cock in their mouth
Rachael is a cockmouth
A crime committed against all that is good and holy by a woman when she kisses a man and has performed oral sex on another man within 24 hours. The man is then infected with Cockmouth, from which he can readily discern the taste of cock or ballsack, and in the most severe scenarios can taste the "taint salt."
"I think that girl at the party gave me cockmouth."
"I'm a horrible soulless bitch and blew this guy in the gas-station bathroom before making out with my boyfriend."
"That chick just blew me, and now she's giving her boyfriend Cockmouth!"
When an individual has their mouth in the shape that a cock could perfectly fit in there.
Man, I was checking her pictures out on facebook. She definitely has got a cock mouth.
were the mouth looks good enough to fit a nice size dick in it
My girl has a cock mouth
a complete and total douchebag that will not shut up. All you can hear from that douche is complete cocknicity.
Man, that guy is a total cockmouth. He won't shut up about how he boned his fifth girlfriend last night!!
The smell/taste in one's mouth that one experiences up to 12 hours after giving a man a bj.
Despite the fact that she blacked out, Sarah-Jane knew she gave head last night because of her retched cockmouth.