waif in his underwear

A literal translation of мальчик в трусиках, a Russian idiom meaning a helpless person. A reverse shibboleth used by one of Seymour Hersh's unnamed 'sources' to let the world know that Hersh was catfished / false-flagged by a Russian disinformation agent.
"Zelensky has no plan, except to hang on. It’s as if he’s an orphan - a poor waif in his underwear - and we have no real idea of what Zelensky and his crowd are thinking."

TASS
by Russkyi mir July 28, 2023
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B-Team Underwear

Not using your best underwear, but your back up underwear. Usually occurs when you haven't done the laundry in a while, and are in desperate need of clean underwear.
Dave: Do you have a wedgie?

Mike: No, sorry, I'm using my B-Team Underwear
by Butterz18 November 21, 2010
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B-string Underwear

Items in your underwear collection that are not suitable for special occasions, and are otherwise ratty underwear that you wouldn't want anyone else catching sight of.
I'm staying in tonight and there's no chance of getting laid, so I'll just grab a pair of b-string underwear.
by parkslump June 30, 2010
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International no underwear day is were you don't were any jocks, boxers, bra's, nickers and all that
by Bradd Phillips November 26, 2019
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Sex in your underwear

Another way of saying "dry humping"

Stripping down to your underwear and going at it. You both have orgasims but you're still in your underwear

Basically anything in the world is like it
Bro, that's like having sex in your underwear!
by Mr.VRUhimself April 08, 2010
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Poor Chick Underwear

underwear that are covered in shit stains and yeast from a poor girl's infected vagina. May contain std seapage.

The consistency of the underwear are usually a delicate thin fabric that is easily ripped, 2nd hand underwear.

May have been purchased at salvation army or stolen from a bin somewhere.
Check out those skidmarks and yeast in the poor chick underwear sally left over my house.
by skidmarksaints July 29, 2010
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underwear eaten by ass

When a bottom (homosexual) is really thirsty for some dick and his ass eats up his underwear.
When I saw that big black cock I had my underwear eaten by ass.
by bottomboy December 07, 2013
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