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Masturbating in a sombre or sometimes spooky location such as a graveyard or haunted house.
I went and had a grimstroke on Becky's grave last night.

That haunted house got me so hard i had a grimstroke in the middle of it.
by Glesman November 03, 2018
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Aug 11 Word of the Day
You can tell by the way she walks, she got that WAP.

You can look at her face and tell she ain't got that WAP.
by Black Don August 06, 2020
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2
Having a wank in a graveyard.
I went to Becky's grave last night and had a grimstroke.
by Glesman November 02, 2018
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