Top Definition
(acronym)- School No Reason Boner. A random boner while sitting in class, for no apparent reason.
Man I was sittin in class the other day and out of nowhere I just got a giant snrb!
by jorge rigo April 26, 2007
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.