Top definition
Someone who is so indescribably unattractive that it is impossible to fuck them.
"I've thought about it dude, but she isn't just ugly, she's mean. Totally uneffable."
by Matty B Good May 19, 2009
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Sep 16 Word of the Day
(noun) A successful type of theft which results in an acceptable, impressive and rewarding payday for the protagonist.
Last night, hit a good lick. I brought home three figures easy for about two hours worth of my time. Not too bad I don't think.
by Nikki Stixx January 18, 2021
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2
short for un-effing-believable; un-fucking-believable; unbelievable
"That concert was uneffable!" -Roger
by MissJuly October 15, 2013
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