The action of pulling the pin on a grenade and sticking it up a girl's cooch, especially if she's pregnant, thereby aborting the baby (and her, but that's besides the point).
"Yo did you hear about Stacy? I heard she got a grenade abortion."
"Bullshit, who would knock her up in the first place?"
"Bullshit, who would knock her up in the first place?"
by SurrealArt June 7, 2016
Get the Grenade Abortionmug. by Jeramald Peach June 11, 2006
Get the abortion grenademug.