When one finds a sufficient quantity of dope (weed, pills, rock, etc) to catch a buzz on the floor. Usually in a time of need or after a session.
Wake up Sunday morning after the boys have been over, broke, tired, empty bag of weed. Would like to have a smoke but got no weed left. Hang your head down to ponder, and out of the corner of you eye you spot a shiny bud on the floor...FLOOR SCORE!