A unicorn-tailed soft bottom is a person who is a designated bottom in the furry community. This individual will insert a soft-tailed butt plug into their anus and engage in sexual activities, mainly double anal penetration.
p1 - "Hey Gerard! Did you hear about Dillon? He's a UTSB!"
p2 - "That furry faggot? What's a UTSB??"
p1- "He's a unicorn-tailed soft bottom now, he likes to wear butt plugs with fancy tails on them while getting ass fucked by his friends."
by professor plums August 19, 2021
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A nerds rope hanging out of an asshole, usually but not exclusively in a sexual context.
"hey babe I'm getting hungry. could you feed me another unicorn tail please"
by ChiefQueef6669 September 18, 2023
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