When someone mouths off or starts an argument. Fired the first shot
"I was minding my own business today until Donnie walked by and cocked off about how I looked, so he got these hands."
" You better not cock off to me tonight in front of my friends."
" Jose is in the breakroom right now cocking off and people are getting pissed."
when you piss off some inbred chick and she karate chop your dick and it turns black and falls off.
Hey you dipshit, that angry bitch tried to knock your cock off!
a phrase said when something/someone is really stellar
nico: "dude take a bite of this creampuff"
ruby: "ohh my god man this is totes rockin' my cock off rn this is so good"