The word ool originates from Australia (AKA the land of the flying cars). Its meaning is similar to awesome or spiffy, but is 100% better. Saying someone or something is ool is the greatest compliment ever.
You are the oolest!

Wow that flying car is so ool!
by Imoen January 21, 2007
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Short for oodles of laughter. The strongest form of laughter (stronger than BOL and LOL combined). Similar to ROFLMAOPMP
Pete: I saw goatse last night with my girlfriend, we both enjoyed it immensely!
Neils: OOL
by neilsonz January 12, 2009
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Pool without the "P" aka "Pee". In other words, a pool without any warm spots that are yellow.
"This is my ool. Isn't it nice?"
"You mean this is a pool, right?"
"If you make it a Pool, I will have you eat your face."
by Nyssa W. September 24, 2006
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(verb) Orgasm Out Loud, extreme enjoyment over an instant message conversation. Could be used in Instant messaging or as a sound for utter enjoyment like a moan
Woman: i love fat hairy men
Men: ool, i think i wet myself

"ool, you look so dashing in those leather cowboy boots" the woman said.
by Manchesteruntd579 September 16, 2008
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Outburst of Laughter. It's like lol, except...literally.
Can only be used when you literally burst out laughing...out loud.
Person 1: Lol- expectation = XD
reality = :|

Person 2: OOL! That is so true!
by flyingxpony February 12, 2011
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blunt rolled with weed and crack sprinkled on. tastes like grapes when smoked and even emits a grape-like scent. (ool, oolie, ools, oolin)
Aaight let's go outside and smoke an ool.
You got that son? Aaight rool up that oolie dooney.
by Mister Jaypers November 17, 2007
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