Definitions by Pussyfucker2020

Step sibling 

Your new sibling after your mom/dad remarry and have a child or bring a new child into their family

Alex: My dumbass dads getting married next weekend and then I’ll have a new step sibling and dude she fuckin hot as hell and she’s got some great biscuits and tits

Riley: damn dude ... can I date her then?

Step sibling by Pussyfucker2020 July 1, 2019