A lot of money. A phonetic spelling of the french word "beaucoup" combined with a word starting with the letter "b" which is a slang term for money, thus creating a "fun to say" turn of phrase for a lot of money.
Jacob: The familys that live on Windfordshtienenshire Court sure do seem to be, quote & unquote...rolling in it, do they not?

Jolanda: Heck yeah, don'chu know? They all got boo koo bucks.
by Vikki Jezebel Blood May 15, 2009
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When you get your ass beat and have two knots on your head
“Jordan Exum slammed kurtis in the bathroom stall and now he has boo koo knots.”
by Slim.- October 23, 2019
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the way certain bread basket locals say the word kool-aid...note the hyphen between the o and l rather than the l and a.
Bryan says i love grape koo-laid and trish say yeah well i love my orange kool-aid.
by Trish the Dish March 9, 2004
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jah-ah-koo - Means Jah is Cool.
Also this is part of the lyrics of Skindred's song 'Ninja':

''The way dem ah gwan is like dem work for SATAN!

JAH-AH-KOO!

e.g.: Those suckers like Satan, they're lame, cause Jah is much stronger!
by alknet September 11, 2013
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he will suck anyone and take it in the ass for a free cat
ya koo sucked me for some dinner
by poqwehfpwhefipuh October 24, 2018
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koo-wee-rup means plenty of black fish.
Did you catch any fish during the koo-wee-rup?
by kooriate March 24, 2023
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my mother screamed furiously at me "LAQUISHA! GIVE ME SOME BA-BA-KOO SAUCE!!! NOW!!!!!!!!!!!"
by HIGHSCHOOL9TH June 1, 2010
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