The act of beating your penis so hard that in the end it turns a pinkish color, thus looking like a piece of ham. Best results come from using both hands at the same time since, they cause more friction.
I was Ham Slamming the other day at work and my boss walked in and joined me. I ended up quiting my job a few moments later.
by poopieweinerhole July 9, 2010

by Travis Church May 22, 2008

Clay: You see that slam piece over there?
Matt: Who Danielle?
Clay: Yeah.
Matt: Isn't she your slam piece?
Clay: Nah, got a new one.
Matt: Who Danielle?
Clay: Yeah.
Matt: Isn't she your slam piece?
Clay: Nah, got a new one.
by Skeet2fast September 3, 2016

"LISA IS WALKING FUNNY TODAY, DID SHE HURT HERSELF?"
"NO, ROGER SLAM DUNKED HER IN THE ASS LAST NIGHT."
"NO, ROGER SLAM DUNKED HER IN THE ASS LAST NIGHT."
by Akaeuvasha July 4, 2016

When you go on the item check out conveyor belt completely naked with your legs spread with a bar code on your dick and while going down the conveyor belt your dick lands in a girls pussy and since the scanner is right where your penis is at the end of the conveyor belt it scans the bar code and beeps. The price comes out to 69¢.
by FoxIncorporated June 11, 2018

by Mr.Crayonbox February 23, 2021

When a male and a female have a double sided dildo and the male puts it up his butt and the female puts hers in either her vagina or butt and the progress to push their butts together.
by Jdubsslammingbutts December 28, 2016
