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Someone who flips stacks uncontrollably, usually very successful. Will bring you and your friend to Dairy Queen spending a seemingly endless amount of money.
Me: Lenore Zann is such a Cailou
Friend: Yeah she flips stacks like one, that's for sure. Have you ever been to Dairy Queen with her?
cailou by Broadleaf Executive December 16, 2013
When you lick the bare ass of someone who doesn’t have hair on their ass.
I love to cailou my sister.
Cailou by Reetleteedle June 11, 2020
Cailou Is Lit!1!1!1!1!1!
Cailou by mellisa rat April 2, 2017
A show about a snotty little twat that, if he were in a rehabilitation center, would go out of his way to emphasize whatever disability he did NOT have. Because he's a little shit. It's also be hypothesized that he has leukemia, he does not. They ran tests and concluded that unfortunately leukemia has a bad case of Caillou.
Doctor: I'm sorry but your son has an extremely low white blood cell count.
Parent: That's because Caillou is a bitch.
Caillou by Tonesmas October 19, 2016
More like Caill-ew
Little shit that bitches about everything. So ungrateful u wouldn't even believe it. Cries until he gets what he wants.
My girlfriend is such a Caillou.
Caillou by Shifeen Finkle Gucci October 22, 2018
Quick, get the holy water, what we have here is a Caillou!
Caillou by Caillou's dad April 14, 2017