Birthing the Unicorn 

To have an experience so fantastical that the world seems an utterly cold and charmless place in comparison. As it would after waking from a dream where you witness the live birth of a unicorn.

Barnabus fell into a state of catatonic depression after Birthing the Unicorn at the Taylor Swift concert.

Birthing the Unicorn by Bieber's Monkey April 4, 2013

Hair of the Unicorn 

The drug equivalent of "hair of the dog" I.e when one wakes in such a state that only taking more drugs can alleviate your symptoms ...

Last night was amazing .. I was off my trolley .. Im
Gonna need a hair of the unicorn !!

Hair of the Unicorn by Savaloy June 10, 2015

Riding the unicorn

The act of riding a psychedelic unicorn through space and time.

"Wolfy looks so far out today, what was wrong with him?"
"Dude he's riding the unicorn so hard right now."

Riding the unicorn by Chaogina September 6, 2011

Pet The Unicorn 

Another way of saying your masterbating (Jacking off)

I'm gonna "pet the unicorn" before i go to jessica's house.

Pet The Unicorn by AndieAnderson May 12, 2016

HORN OF THE UNICORN 

slang for cock

and

a yugioh card

Sergio: Hey mija, u want to polish my HORN OF THE UNICORN? Pull the trigger of my love gun? Ride the lightning? Pet my ant eater? Eat my beef jerkey?

Bitch: Yes!

Sergio: Ok, bend over and take it! Take it!

HORN OF THE UNICORN by SERGIO SANDOVAL October 14, 2011

Petting the Unicorn

To Fornicate with a heavenly blessed beauty by the use of ones digits.

I.E Fingering.

I was with Debbie petting the unicorn and it bit my finger off.

Petting the Unicorn by POLO Ralph December 2, 2011

throw the unicorn 

to punch the air in annoyance, with middle finger raised

when some fool cuts me off in traffic I throw the unicorn flip the bird, give the finger

throw the unicorn by lisabell March 24, 2011