by midgen;-; June 24, 2023

flour tied up in a napkin with the purpose of throwing it at a person or vehicle to create an explosion of flour.
by newjustice January 20, 2009

by Preston grenades December 5, 2018

by Morbidpete October 12, 2018

Example of a Tweet Grenade:
@company is giving away a free kitten, retweet for your chance to win! #company
@company is giving away a free kitten, retweet for your chance to win! #company
by Kennedy's Garage August 10, 2010

When your initial assumption about the level of attractiveness of any given girl in tights, from the back, is proven drastically wrong when she turns around and reveals she is actually a grenade.
Guy1: Dude, look at that girl and her tights. She's so hot.
Guy2: Nah dude, she's a trojan grenade. Wait for her to turn around.
Girl1: Ugh, and she looked so good from the back...
Guy1: Yeah, that's a trojan grenade.
Guy2: Nah dude, she's a trojan grenade. Wait for her to turn around.
Girl1: Ugh, and she looked so good from the back...
Guy1: Yeah, that's a trojan grenade.
by Anti-Buzzkill Laws March 22, 2011

When a guy has an erection with so much blood flow that it literally feels like his penis is about to explode. It is generally quite painful.
"The pain of grenade dick makes it much more difficult to conceal my hard-on than a typical erection."
by The Real Mister Mister August 24, 2017
