1 definition by DyerStraights

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
by DyerStraights June 18, 2009
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