glass cutters

Nipples that are so severely hard or pronounced that they would be capable of cutting glass.
Fuck, it's freezing out there. I've got glass cutters.
by aspirin June 14, 2004
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glass cutter

When you can see the bulge of a man's package through his underwear resembling a standard glass cutting tool.
See George St. Pierre, G.S.P.

"Hey, did you see G.S.P's glass cutter when he pounded Thiago Alves?"
by Brown Nation BN July 12, 2009
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