1 definition by SaucyKris

Top Definition
Sperm Back-up Problems. The male version of PMS which explains why a man is in a foul mood, secondary to his back up of sperm from not getting off lately.
Greg sure is being a jerk today, he must be suffering from S.B.P., maybe Sally stopped putting out.
by SaucyKris August 29, 2007

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.