Somebody who is "Hat's On" is enthusiastic. There Hat is on, so they are ready to go anywhere. In Australian (and other countries) Primary Schools, wearing your hat is very important. A Person Whose Hat's On wants to be outside all the time, and likes to do things. someone who is hats on is most likely a extrovert, but can be and introvert. people can be hats on in different scenarios, you don't have to be hat's on all the time.
When we do poetry Jim is really Hat's On, he's a wizard at that stuff.

That Joe is really Hat's On, He was ready to leave so early.
by HatLegendZ February 20, 2022
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Throwing your hat in the air indicates a call for help. Someone is having a situation and is outnumbered. The community must come together rain, sleet, hail, water or snow.
The man on the dock tossed is hat in the air & they started coming.
by Meme831 August 11, 2023
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A sexual act of putting your head into a woman’s vagina and literally wearing them as a hat
Yoo I was fucking this girl last night and she wanted to try the vaginal hat. Bruh she be kinky as fuck
by Joe smith117 January 16, 2018
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Hard hatting is the act of defecating a particularly hard tip of a turd. Oftentimes, this is followed by super soft serve poop, or diarrhea.
Todd says, "Hey man, we gotta get going!"

Gary says, "Yeah, I'll get Bob out of the john."

Knock, knock, knock....

Gary says, "Hey Bob, we gotta get going!"

Bob says, "Hold on! I'm hard hatting in here!"
by Gnat Masterson January 23, 2023
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When one wears a hat so you won't wear a hat like someone that you know or are related to.
He is going to imitate his father, time to hat block.
by Mr.Zogrebginald August 20, 2013
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A blue Hatter a racist person that would show their racism by wearing a blue hat Blue anti-yellow/Asian
2007-now
by M.N.L May 15, 2022
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