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?"
by SurrealArt April 17, 2016
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filling your freshly used condom with firecrackers and throwing it at your unsuspecting partner.
bitch, don't even think i wont resort to abortion grenades..
by Jeramald Peach June 7, 2006
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