An expression used before/after stabbing someone... accept it’s ok because you said stabby stabby first. Often used by crazed children or people who are crazed to begin with
Josh: *exists*
Melissa: *has knife* *stabs josh*

STABBY STABBY!
by Toxk March 7, 2020
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Expression used when providing feedback about someone's (poor) life choices or response to aggression.
He: I ate your bagel
She: Stabby stabby for you.
by stabbiness August 25, 2022
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What mercury experiences when he doesnt STFU
wanna go meet at the train station and play stabby stabby?
by MERCURYlovesmen June 18, 2003
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