Matti Share definition Flag A very Dark But Sexy Human Being. Has A very very very Large Penis and very funny. A guy that gets all the ladies, and has a 10/10 Personality. "I had a Very sexy matti Yesterday and his dick was massive" "I wish I had A matti" Matti by Jason_is_the_5-0 June 6, 2018 0 0 Get merch Get the Matti mug. Buy Now — $32.95 See more merch