sister

a person who is also your parents child. She is your sibling and is very annoying. She is sassy and dramatic.

My sister was so mean to me today!

by lmp1107 December 24, 2019

Sister

A wild beast that made its soul purpose to annoy brothers to death and beg for money. If you have one of these creatures you know what I mean. Occasionally they get you out of a tight spot from your parents.

Bro 1: My parents adopted a sister today.
Bro 2: You're dead bro.

by fastjimmy55 March 16, 2020

sister

a person you love unconditionally
someone who has been through everything you’ve been through
and stuck by your side through thick and thin
a forever best friend you should never lose

I love my sister

by suzzianna March 28, 2020

sister sis

the prettiest gal ever.

sister sis is so cute omg.

by justdoitNike April 1, 2020

Sintrosi

A person who tries to act like a father figure, forcing you to go to bed at a certain time and telling you to do chores, likes to nag a lot.

That Sintrosi just won’t stop bugging me about my responsibilities, he’s not even my dad dude!

by Dr.Chinzilla April 9, 2020

Sinner

Combination of supper and dinner, not to be confused with the actual term of sinner.

just Got home from work and having sinner now!

by salsas April 24, 2020

Shintercourse

When one uses their own shins to create sexual arousal/ spark orgasm, such as rubbing the genitals with the shin to result in climax.

Dude, rub your shin down my thick crease, I require shintercourse.

by Butter on a Stick is back July 14, 2020