Shamcocking
when a man colors his penis green in rememorance of St. Patricks day and proceeds to have sex or recieve head from a woman. There will be green marker left behind on the woman for everyone to see.
Hey look at Ashleys mouth its green. She was definitely just shamcocking Jared.
shamcock
"Black Irish", usually of Denzelian Irish Descent: foreboding creamy white on the outside, all black on the cockside."Yea!!!!"Also known as the central most important holiday of the year, of the cult religion, known as vulva destroyerists.
Also known as Vulva Destroyer. Betty picked up a skinny redheaded freckled white guy who shamcocked her 6 ways to Sunday.
shamcock
a penis with four testicles resembling the shape of a four leaf clover
Alex and Ian found a lucky four ball shamcock while frolicking through the pasture
shamcock shake
The act of dipping one's penis into a McDonalds Shamrock Shake and then recieving oral sex.
Dude last night i gave Brittany a Shamcock Shake, my dick was freezing but it was so worth it.