When you're standing on a bus (or other public transport) as there are no seats and someone near you gets up to get off, you quickly jump into the absent seat before anyone else has chance.
*Jack & Tom are standing on a crowded bus*
*A man in a nearby seat gets up to get off*
*Jack Seat Jumps instantly into his seat*
*A man in a nearby seat gets up to get off*
*Jack Seat Jumps instantly into his seat*
by SoupOnHerHed September 15, 2011

"Is Emily still dating George?"
"No, but she's seeing some other jerk now"
"oh man.... so she's still doing the chump jump then?"
"No, but she's seeing some other jerk now"
"oh man.... so she's still doing the chump jump then?"
by emmileejoe September 18, 2017

by jerryaayyyy March 8, 2009

by slideglide June 3, 2024

an incredibly versitile alegory refering to the sexual nature of a duke in the seventeenth century royal court.
Rick bowed before his wife, unbeknowst to her, he was reveling in thoughts common to a johnny jump-up
by Negro man April 24, 2005

First have a hard running start, jump, put your non dominate foot and hand on the wall or whatever your jumping off of, and push off and land on somebody. Best you jump off of brick
by ira reed January 19, 2009

When You're taking a dump and it falls into the water creating a splash that hits you in the ass. Eww
by 124Abdc December 19, 2008
