HTSMF Share definition Flag When you are in smoking circle and one person is not passing the bowl, joint, blunt, etc. you tell them to HTSMF (Hit that shit mother fucker) HTSMF or pass it before I fucking shank you! HTSMF by The Mad Tea-Bagger March 1, 2009 0 0 Get merch Get the HTSMF mug. Buy Now — $32.95 See more merch