The act of being maliciously assulted by a large number of individuals, usually physical but may be verbal.
by Nate65 August 24, 2006

a.agreeing to distract the skanky friend of the hot babe your buddy is trying to score. NOTE: should you get carried away with your good deed and end up getting on the beast, your pal is forbidden to ever speak of it.
b.a real man's legal duty.
b.a real man's legal duty.
Okay man, I'll talk to the fat one and you can get on with the hot blonde. I'll jump on the grenade for you tonight.
by spitfire May 9, 2004

A defining moment when you know someone has gone off the deep end. Inspired by Tom Cruise's recent behavior on Oprah. Also see jump the shark
My new boyfriend Benny seemed totally normal until he jumped the couch and started rubbing spicy brown mustard on his body at my family reunion.
by Melissa and Rebecca July 26, 2005

by Jdubthegamer May 30, 2018

Acting as a wingman. The phrase comes from the military; jumping on top of an active grenade will kill you but save your comrades around you as a result of it. It's a selfless act for your buddy.
Hey check out those two chicks sitting at the bar. It's a shame only one of them looks decent. Man, will you please jump grenade for me? I did it for you last time.
by wheelmanLS2 September 1, 2006

A threesome with two land whales, where you avoid getting trapped in the bunker (middle) & jump out before dying from asphyxiation.
Man, I almost died last night... Drunk I was, bunker jumping two gordas when the flubber sucked me in; breathless I narrowly escaped!
by Nisshin Maru April 12, 2017

by insta@ella_bridenback October 10, 2018
