lump sucker Share definition Flag A guy who is into fat chicks. Usually super skinny sometimes almost anorexic.see Chubby chaser jimmy: Hows Larson doing? fredrick: He's dating Felicia Jimmy: That lump sucker lump sucker by Fredward Jenkins November 12, 2014 0 0 Get merch Get the lump sucker mug. Buy Now — $32.95 See more merch