1 definition by Singledee

Top Definition
(noun) Acronym for Early Morning Urinary Boner. This is when you wake up in the morning with a rock-solid hard on because you have to pee really bad.
Girlfriend: Keep your boner away from me. It's too early and I'm still tired.

Boyfriend: Don't flatter yourself...it's just an EMUB.
by Singledee December 15, 2011

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×