meat cleavage Share definition Flag Meat cleavage is when a guy's pants are either riding up or so tight that you can see his bulge through his pants. Dude are those pants from 8th grade or something? You can totally see your meat cleavage. meat cleavage by Killumslow October 29, 2007 0 0 Get merch Get the meat cleavage mug. Buy Now — $32.95 See more merch