unicorn tail 

the magical way to say ponytail

1: omg i love ur unicorn tail!

2: ok then

unicorn tail by BoxToTheLeft October 10, 2013

Unicorn Tail 

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"

Unicorn Tail by ChiefQueef6669 September 18, 2023

unicorn-tailed soft bottom

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."

unicorn-tailed soft bottom by professor plums August 18, 2021