Jamboney Share definition Flag When a man puts his erect penis into a jar of jam and proceeds to have sex with it. (or any preserve). "What did you do last night?" "Oh I just stayed in and had a jamboney" Jamboney by BitchTits2011 September 24, 2011 0 0 Get merch Get the Jamboney mug. Buy Now — $32.95 See more merch