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A word that I made up in my family (I say it in a baby voice to annoy and sound cuter) it could really mean anything. Example: Yay! I love you! Cool! (I say this word to call one of my family members, by giving them names *baby names* to be spesific, like atoo papa, atoo mama, etc.)
Me: needs something
Me: ATOO MAMA!
Mom: what
Me: can I have a apple?
Mom: ok
by AryamanV2000 August 16, 2019
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unknown meaning created by mfamily
aly: "i like a new boy!"
mae, dar, chelle, chealee: "ATOOOO!"
by mae February 23, 2005
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