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1.
Impaling posers, fags, and poserfags on something very very very very very very scary and unholy!

Impaling a necroslut or a necrovirgin anally (sodomizing)
I grimpaled that poserfag on an inverted cross!
by Morbid Thor December 30, 2004
 
2.
Impaling someone in a grim way, on something grim (such as the horns of a Moongoat, frozen icicles, etc.)

Can only be done by grim beings, such as Moongoats or acolytes.
I command you to grimaple these unblasphemous posers, acolytes!
by Grimlord December 27, 2004