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stepsibling 

Stepparent's child what is parent's stepchild.
My stepsiblings is a good person.
stepsibling by Sonyc September 22, 2023

stepsibling 

My stepsibling is a good person.
stepsibling by Coldandhot October 14, 2023

stepsibling 

Parent's stepchild and stepparent's child simultaneously.
stepsibling.
stepsibling by Simaduria July 27, 2024

stepsibling-in-law 

1- Stepsibling's spouse.
2- Spouse's stepsibling.
stepsibling-in-law by Wonbig October 13, 2021

stepsibling-in-law 

1- Stepsibling's spouse.
2- Spouse's stepsibling.
stepsibling-in-law by Simaduria July 27, 2024

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?
More from Urban Dictionary
The number of years you are still sexually active
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
sexspan by Dr Kat April 21, 2022
Word of the Day on October 28, 2026
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.
You didn't get any napkins with your takeout pork fried rice? Womp womp.
womp by 175623226 November 3, 2011
Word of the Day on October 27, 2026
When your wife’s boyfriend let you sleep past 8pm 😎😎
Wife’s boyfriend: You have 5 more minutes
Me: Poggers!
Poggers by Just_Charles April 14, 2020
Word of the Day on October 26, 2026
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