Thumbaleena Share definition Flag When one is as big as a thumb. Often known as a mark or 2 inches. Often caused by looking at attracktive girls. Like AD or AH. Mark is now known as thumbaleena. The art of the Thumbaleena published by Manning Inc. Thumbaleena by Crippler8 February 28, 2008 0 0 Get merch Get the Thumbaleena mug. Buy Now — $32.95 See more merch