Top Definition
A person with a bisexual dispostion that cannot act on his or her impulses due to a lack of energy, strength, or courage.
Bob: All Paul talks about are blowjobs.
Peter: If he weren't such a nambisexual, I'm sure he'd give you one.
by Poruchan March 29, 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.

×