Peanut butter on a stick Share definition Flag When a guy puts peanut butter on his dick for a better blowjob. Guy: You wanna some peanut butter on a stick? Girl: Only if you buy the peanut butter. Peanut butter on a stick by the hot loner August 19, 2010 0 0 Get merch Get the Peanut butter on a stick mug. Buy Now — $32.95 See more merch