An entertaining weapon in the video game "Halo". Can create hours of fun or piss the hell out of your friends. Have a tendency to stick to things and then blow the absolute living shit out of them.
by el scorcho October 31, 2004

The act of straining to have a bowel movement to the point of nearly passing out and then having a release that explodes and covers the entire inside of the toilet.
Robert came into the office and warned everyone not to go into the unisex bathroom because he tossed in a toilet grenade and that it needed a cleaning crew.
by superknox1andonly December 23, 2014

Bro: Yo you wanna hangout with my girl and her friend tonight?
Other Bro: I don't know Bro is your girl a grenade launcher?
Other Bro: I don't know Bro is your girl a grenade launcher?
by Borickly November 4, 2011

farts are funny. their like comedy coming out of your ass. So if you fart in your hand and then throw it in someones face. You just gave them a Giggle Grenade
by Bucky Brewster January 5, 2010

by Dreigonix November 15, 2017

“My homie just walked in and started raving about just how hot Conan Gray is. Now everyone here is agreeing with him! He is truly a gay grenade.”
by Franchise Evans January 29, 2022

by midgen;-; June 24, 2023
