A large shit that involves sweating and strainging so much that a change in wardrobe is necessary. Counting down from 10, start removing all your clothes. When all clothes are removed, release the load of shit from your anus and yell "Grand Slam". Then, if you are Spencer Meyer, continue to masturbate on the spot.
by Jizzman69 January 20, 2008

by dermena April 24, 2017

by Frank Slamdancelover March 8, 2009

When you have to fart and you have to clench your buttcheeks so you dont let loose, kinda like you slam on the brakes
by Bengay19 November 22, 2011

by uttam maharjan August 29, 2010

WHAT WERE YOU DOING? Q: WERE YOU "SLAMMING YODA"? A: BECAUSE "YODA" IS SMALL, LOOKS OLD AND WRINKLED.
by THE LIP LICKER April 26, 2011
