A dude who walks around in public with a visibly erect penis.
Oh my God! It looks like Mike is wearing sweatpants without underwear again, and he’s turned on. What a unikorn!
Unikorn: define #2
It is when something or someone is Beyond Awesome. When awesome isnt enought to describe the word.
Wow this Chinese food is so total Unikorn, it blows my mind.
Unikorn: define #3
a delightfully eccentric woman who is also drop dead adorable
One of my favorite things to do is bonking to unikorns online, all night long.