FEWLASS Share definition Flag People that don't have shit and are a clueless ass at the same time. She was running her mouth and making fun of all the previous girlfriends, when in reality she should look in the mirror. That girl is fewlass! FEWLASS by funny101 August 14, 2011 0 0 Get merch Get the FEWLASS mug. Buy Now — $32.95 See more merch