A type of lingerie that is really better off sitting on the ground. Usually indicates the wearer's desire for sex.
I want sex tonight, so I shall wear black underwear.
by Me! June 15, 2004
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Means the person wearing them is definitely DTF
Man: Oh I see you're in black underwear.

Woman: Yes I wanted some penis
by Mickeytwochops August 1, 2023
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