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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(n) when you send out sexual explicit pictures of yourself in your underwear preferably skin tone color or if you receive these types of pictures.
Example 1:
Roy: "send me me those underwear n00dz bbygirl(;"
Roxanne: "hold up I have to strip into my underwear o;"
-Roxanne send Roy picture of herself in her underwear

Example 2:
Kyle to Dave: "did you see Amy's underwear nudes ?"
Dave: "yeah with the leopard-print bra and skin tone underwear"
Kyle: "she sends them to everyone, she's such an underwear slut"
by G.A.S & P.M.S. September 29, 2011
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A typical nosy neighbor obsessed with getting into your house and asking you a bunch of invasive personal questions.

Someone who is so nosy that they may as well be asking you to take off your underwear so they can sniff it to determine what you've been eating in the last 12-24 hours.
"Oh no those damn(underwear sniffers) from across the street are walking up the front walk to come ask us how much money we make again"

"you wouldn't believe it that (underwear sniffer)just asked me what church we go to and if we would like to come to her church next Sunday,then she said you do go to church don't you?"
by scurvyseapup February 16, 2009
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1.) One who looks around in another's underwear drawer.
2.) Someone with an underwear fetish.
I caught Steve sniffin Sarah's underwear like a little underwear-gnome.
by Skyler23 September 10, 2005
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A gangsta, tough guy, or bad dude so committed to getting to the fight as quick as possible that he will run out of the house in his underwear to punch on!!!!!
by Loose dolly April 2, 2011
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A rainbow in the underwear occurs when someone (presumably a man) has made the greatest possible variety of excretions in his underpants. This would consist of a brown stain, a yellow stain, and an off-white stain.
Jean Pierre Garnier never wipes his ass, so he has skid marks; he has also been known to have wetdreams almost nightly. A few months ago thirty people came to his house to scream at him. He pissed himself and a made a rainbow in his underwear.
by DLa April 7, 2005
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