National your sister isnt your sister i fucked your mom when i was 7 so give me 5 dollars or ill send your dad a dna test.

Or national Y.SI.Y.S.I.F.Y.M. day
Jack: "Hey bro do u know what today is?"
Josh:" no"
Jack:"is june 10th"
Josh:"so?"
Jack:"is national Y.S.I.Y.S.I.F.Y.M day"
by Jackie frostie June 10, 2021
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National slap your nana in the face day.
June 10th
"hey man did you slap your nana in the face today"
"Yeah I slapped her so hard it made her cum"
by Liyahpiyah June 10, 2023
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The day a certain person house will blow up
Oh wow I can’t wait for June 10th , the house finna be gone
by Trickledinlle7 June 8, 2022
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