It's when a person (boy or girl) who was an accidental pegnancy. They can also be a girl who has alot of accidents (sexually)

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She is such a Oopsie Girl!
by May 20, 2021
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Girl who has lots of accidents (hits curbs or other objects with vehicle, knocks over grocery store displays, drops items constantly) and playfully giggles and says “oopsie” or “oops”
“Chelsea backed into a coffee display at Target and giggled “oops” everyone in the isle laughed as she picked up the items”… “she’s such an oopsie girl
by chelsbuggg May 11, 2021
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