Undy - Undies is a slang term in England for someone got stabbed or messed up tille they spilled blood in any way,
This is because just like underwear gets stains on it all the time, that person now has stains all over them.

I dib that guy in the chest, now hes like undy. Stains all over em bruv.

Undy by mynamejose June 6, 2021

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undy roll

this is also called pubic fat, where someone has excess fat in their genital region giving their privates the appearance of a beer gut.

I thought my girl friend was skinny until i saw her naked and realised she had an undy roll

undy roll by Don Gulliver May 8, 2003

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Undy-thesia

Akin to a phantom limb but goofier this is the sensation that you are wearing underwear when in fact your skin is bare. Heightened by lack of sleep or laziness in self-care, your skin begins to feel like a barrier of cloth. As tactile hallucinations it is equally harmless and lacking in value.

Undy-thesia sets in a few days after you stop adhering to certain standards of dress. I surprised myself and a homeless man while riding my bike in a skirt into the wind. He gasped, "Oh, thats beautiful!" Like brushing your teeth and not farting in public, put in the effort to maintain certain standards. Treat yo' self.

Undy-thesia by Pointlesslywordyredditmoron May 19, 2022

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Side Undy Dog

Performing doggy style without removing the woman's underwear; instead, slightly parting them to the side.

"Bitch was too lazy to take her undies off so I gave her the Side Undy Dog"

Side Undy Dog by Semicolon Leftbracket September 28, 2009

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