, propped, prop·ping. to support, or prevent from falling, with or as if with a prop (often followed by up ): to prop an old fence; to prop up an unpopular government. Synonyms: bolster, buttress, brace.

-pp- to lift and give support to something by putting something under it: He was sitting upright in his hospital bed, propped up by pillows. There were the usual bunch of drinkers propped up at (= leaning against) the bar.

propped; propping. transitive verb. 1. a. : to support by placing something under or against.

noun. attractiveness, charm, or skill in flirtation that allows one to easily attract romantic or sexual partners: I've lost all my rizz, but I think it's a sign to focus on school.