when someone makes a bootsie mistake.

bootsie+oopsie = boopsie
That was his boopsie that he kissed your twin sister instead of you
by fried chicken menace August 20, 2008
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a condition when you accidentally get your hydroflask stuck up your ass
where is your hydroflask
oh i got Boopsy Bottom
by clobamacare August 28, 2019
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The best name from a penis/dick/cock/weiner/knob/child-constructor69420
Person 1: your mr boopsy is smaller than a chromosome.
Person2: yeah, but I have a mr boopsy. Something you will never have after that gender reassignment
by Epicnoober May 26, 2021
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what one says when they screw up. Little kids say this a lot.
Oopsie Boopsie, I dropped my candy!
by Martina D May 31, 2005
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the team fortress 2 player that changed my vocabulary permanently
haha, remember that time boopsies said: oj well nvm goodbye
by disembodiedlentil April 7, 2020
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