When, in the course of love making, your partner, who is having her period, gets blood on your ribs. So called because of St. Louis' famous BBQ ribs.
by Teebs-Bizzle August 21, 2009
A custodial technician who takes advantage of an accidental spill to fulfill mopping duties, regardless of other duties that may have been assigned to said technician.
High school kid: "Did you see that mopportunist hop to it when Jackie spilled her slushie before last period?"
High school kid's friend: "He dropped that plunger quicker than you can say 'Forget unclogging toilets!'"
High school kid's friend: "He dropped that plunger quicker than you can say 'Forget unclogging toilets!'"
by Teebs-Bizzle January 08, 2011
Excessively cute, but also sexually attractive.
by Teebs-Bizzle March 03, 2009