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1. An acronym that stands for 'unfuckable butter troll'. Using the acronymous version allows one to denote the unfuckability of someone while in polite society.
Thanks for inviting me to this fancy gala populated with various dignitaries, and also that girl that is trying to get with you is a UBT.

butter troll unfuckable
UBT by DyerStraights June 18, 2009
Related Words
UBT ubtub ubtastic Ubtean Ubth UBTIA ubtm ubtoc UBTP Ubtuse
Acronym for Unbelievable Tekkers. Used to describe some with a great amount of skill or technique (Tekkers). Also used by a large clan on Call of Duty: Modern Warfare 2.
Jordan: Did you see that goal I just scored.
Ben: I wish I could do that, you have UBT.
UBT by TheHotstepper September 9, 2010
Nickname for David Eason - Husband of Jenelle Evans from Teen Mom 2. UBT is short for “Uncle Bad Touch”.
UBT said he would beat his daughter if she ever broke his phone by accident. UBT would fill these streets with uppercuts. Word on the swamp is, UBT has a speckled peen.
UBT by JenelleEvans February 17, 2019
1. A name.
2. In Parsi meaning: Reached, full, complete; fit.
3. A character in Shahnameh (Father of Fereydoon).
4. Some say it's the name of an ancient Latin assassin.
5. Eternally eager to evolve, continuously changing.
Person: "Hi! What's your name?"
Ubtean: "Ubtean"
Person: "Sorry what?"
Ubtean: "Heh, Ub-tean...you know like upteam except replace the p with a b and the m with an n"
Person: "Uptean!"
Ubtean: -long pause- "uhm, really?!"
Ubtean by CytCyd November 2, 2011
UBTM is an acronym for United by the Music, a youtube channel made by six youtube users from all around the world.
Omg!! Did you see this week's UBTM video? It's amazingly awesome!!
ubtm by accio May 22, 2008
Used to describe something very good and worthy
Example 1: Marty: “Hey, I bought you that shirt you told me you wanted to wear while rolling down the street.”
Girl from church: “Ubtub!”

Example 2: Mom: “You guys are hooging around too much, you’re grounded!”
Boys: “Mom, you’re not ubtub!”
ubtub by CruisinUSA September 13, 2020