1 definition by B34N 69

(Sh-ih-stir) noun;

a young female sibling (alternatively a sibling of any age who acts like a female child) and they just won’t stay out of your fucking stuff and you aren’t normally an aggressive person but no matter how much you live someone you can’t help but wanna grab their legs and sling them across the fucking room. You work 40 hour weeks in a warehouse starting the day you turn 18 but you aren’t allowed to have your own room? Fuck you
“Hey shister, what the FUCK are you doing destroying my room again!?”
by B34N 69 January 13, 2022
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