When during a mfm threeway with the girl riding on top, and she starts to orgasm tilting her head back letting out screams of delight (as in crowing like a rooster), the other guy shoots his load into her mouth causing her to choke and cough.
Dude, the other night with Mandy, she was was cumming so loud I had to shoot the rooster to get to her to quiet down.
A slang term for jacking off first used by soldiers in Vietnam. The term was brought back into the mainstream by Alice in Chains' epic jack-off song, Rooster.
With his family away for the day, Phil knew it was the perfect time to snuff the rooster.