Under flap

The crusty film that forms made of sweat that collects under a breast, usually a large breasted girl, or woman.. or anyone who has breasts large or saggy enough to cause and form pockets, if its large enough to hide items, its large enough to collect dirt sweat lint and small creatures. Liken it to swamp ass or belly button lint..
Dude, she flashed us and under flap fell out.

Much to his surprise and horror when he got done licking there, there was some under flap stuck in his teeth
by SLAA addict July 10, 2012
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get under my boot

Something someone says to you to be extremely disrespectful, usually they're fake "alpha males" with a superiority complex and feel threatened by someone trying to do good in their own life. Used to put people down and feel better about oneself with extreme disrespect.
Ha! You're doing better in your life? Get under my boot.
by The psychoanalyst September 12, 2023
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Under the bus

Something to be kept secret; Kept in the closet
"Did you know those two are dating?"

"Yes, but they said to keep it under the bus."
by Amanorsomething October 04, 2024
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under rubber

Under Rubber is when you stick your dick or strap-on in a condom
Dont worry baby...Im under rubber.
by DuhReelReapa April 13, 2016
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Under the Bridge

A typically shady or borderline illegal activity
Kyle and David went to the bathroom together, they’re probably doing something under the bridge
by Lurker_From_Ohio November 11, 2024
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Under the bridge

A discord server full of incels and hardcore trolls
Under the bridge is full of weirdos
by BBC1488 August 16, 2019
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