A tattoo, typically placed on the lower back region, depicting the San Francisco Giants 2010 World Series Championship win. Commonly found on middle-aged men, the tattoo typically is usually associated with mild obesity and hairy backs. Typical reactions to the champ stamp include, but are not limited too, drunken embracements, high fives, and/or illusions of the men convincing themselves they actually had something to do with the victory
by sfgiants24 April 25, 2011

by SwampPuppy July 17, 2023

Using official authority to make a kid's toy, stuffed animal or imaginary friend become a verified member or authorized participant in an activity, either on purpose or incidentally
Turkish authorities accidentally unicorn stamped her toy's passport because Emily crafted it so well.
by Unicorn Stampin' January 7, 2021

When your dick gets so hard, it becomes as big as a donkey cock. Then you hit a bitch in the face with it.
by petermasseylove69 November 18, 2014

Stamp Em. Means to go up and beat the hell out of somebody with a ring on leaving a mark, either being a bruise or cut.
"Aye Homie, you see that dude right there?"
"Yeh Dawg, what bout em?"
"That's that fool who stole yo 20. Go up an pull ah "S.C." an (Stamp Em!)"
"Alright Dawg"...
(Runs up to the thief... "Aye MotherF***er!"... hits em dead in the face, cutting the thief's face with the ring on his finger (or bruising the thief's face)
"Yeh Dawg, what bout em?"
"That's that fool who stole yo 20. Go up an pull ah "S.C." an (Stamp Em!)"
"Alright Dawg"...
(Runs up to the thief... "Aye MotherF***er!"... hits em dead in the face, cutting the thief's face with the ring on his finger (or bruising the thief's face)
by XDCatNip December 8, 2018

by blackguyyy August 7, 2011

A girl or guy who is just another number, one among many. You pick them up at the bar or club, hump and dump by the end of the night. Somebody you fuck with for a hot minute.
by beckyruinseverything February 14, 2020
