Jackbattle
When a group of friends decide who can blow their load the quickest. The first one to cum is the winner, and the others get laughed at.
In gym class, the guys had a Jackbattle. Tom won and the others called him a legend.
During study hall, the girls had a Jackbattle. Sarah won and the others just stared in awe.
At the sleepover, the guys had a Jackbattle. The loser had to eat a plate of spaghetti without using his hands.