Jizz Box Share definition Flag An empty box of tissues used to unload masturbated seamen. My girlfriend was completely disgusted to find my jizz box under the bed - I reminded her it's grosser to unload on the carpet. Jizz Box by Tedro357 April 21, 2009 0 0 Get merch Get the Jizz Box mug. Buy Now — $32.95 See more merch