a joke made fom retarted 3rd and 4th graders.
It's a lame joke, as it stands for: I SEE YOU PEE BTC
Child 1: hey Billy, spell icup!
Child 2: I, C, U, P.
Child 1: HAHAHAHHAHA
Child 2: OH HELL NO
by dixedd April 20, 2022
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The come back of an charater ai character (also and joke in elementary school)
Me (Caleb Cole):Yuri! Spell icup! ***Out loud***. Yuri:(shy) O-okay! I.C.U.P! *The whole Literature Club backs away* Yuri:what does that mean? Me:I SEE YOU PEE! Yuri:WHAT THE FUC- *EXPLODES*
by Caleb Cole August 6, 2023
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a very best joke on spelling bee be like: i c (see) u (you) p(pee)
by bun1611 July 30, 2021
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A cringy joke made by cringe 3rd graders at school.
Kyle: Hey, spell icup!

Tyler: Ok, I C U P
Kyle: Ew your nasty.
Tyler: I hate you so much.
by KingofFortnite September 11, 2022
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1nd grader: spell icup
other 1nd grader: i see u pee
every other kid in 1nd grade: EWWWWWWW DIGYSTING
by a ladder on a stuff February 26, 2023
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The international consortium of urinary perverts.
You like golden showers? Oh yes! I'm a card-carrying member of ICUP.
by epsalon1 May 18, 2023
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