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udtfk udtf UDFKS
Its a chat room word for "You dont fucking know shit"
Beast1: Whats a computer?
Beast2: OMG UDFKS!
UDFKS by Black Code Master September 16, 2005
In the transfur community, UDTF stands for UpsideDown-TransFormation. This indicates a character that has swapped body parts, or their function, across the transverse plane; thus rendering their new view of the world literally upside down. This is typically considered a form of "Unwanted Transformation" (not abbreviated), as the effects serve only to handicap the victim.
Gaygsopht posted a UDTF commission from Ustm331. They must be in an obedient mood tonight ;)
UDTF by TheChillestThem March 1, 2024
In the transfur community, UDTF stands for Upside Down-TransFormation. This indicates a character that has swapped body parts, or their function, across the transverse plane; thus rendering their new view of the world literally upside down. This is typically considered a form of "Unwanted Transformation" (not abbreviated), as the effects serve only to handicap the victim.
Gaygsopht posted a UDTF commission from Ustm331. They must be in an obedient mood tonight;)
UDTF by TheChillestThem March 1, 2024

Stealthie 

when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.

This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"

FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"
Stealthie by gwenhyfar October 2, 2016
Word of the Day on May 25, 2026

Summer Teeth 

When someone has a lot of missing teeth.
Mannn, that dude has summer teeth!
What do you mean?
Summer here, summer there...
Summer Teeth by BeckPot August 2, 2012
Word of the Day on May 24, 2026