s3><0rz Share definition Flag 1. The act of having sex, preferably with someone's mother. Similar to sex0r, but far more k00l. d00d, i liek 2 haev teh s3><0rz!1!!11 s3><0rz by CBurns February 19, 2003 0 0 Get merch Get the s3><0rz mug. Buy Now — $32.95 See more merch