Sis from another jizz Share definition Flag A sister that is the result of an ejaculation other than the one that produced the other sibling. Who's that girl who can't even get a job? She's my sis from another jizz.. Sis from another jizz by Villus October 26, 2011 0 0 Get merch Get the Sis from another jizz mug. Buy Now — $32.95 See more merch