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Yool is a joyous word explaining one's bottled up excitement. Yool is usually expressed in a shrieky scream of "Yool!" Yool also is associated with Christmas, this celebration being the 25 days of Yool.
1. Jenna- Today was very fun

Sarah- Yes, I agree, today was a very yoolful celebration.
by Jennico and NinjaNoost May 15, 2010
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Yup/cool mood where you're annoyed with someone/a situation and you have nothing to say but a sarcastic "yup" or "cool."
Lax bro: "Damn I got so fucked up with the lax bros last night."

Becky: "Cool. Thanks for sharing"

Another lax bro: "Becky why are you in such a yool mood??"
by lmane_ May 12, 2018
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