Top Definition
A Robert Pattinson-inspired orgasm. Originated by taking the term "unicorn", which is used in the popular Twilight-based fanfic "Wide Awake" to mean orgasm, combined with Rob's name.
Oh, don't be horny bb; go home and have a Robicorn and everything will be better.
by robineau January 09, 2009

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.