When a person knowingly talks good about their selves in front of people to show off or look like the better person. This is followed by someone saying "Toot Toot" and gesturing with their arm in a downward motion as if the arrogant talker is tooting their own horn.
Oscar: Hey Jason, would you like to play a friendly game of Ping Pong?

Jason: Oh hell yeah dude! I'm so bad ass at Ping Pong, I used to be on a professional team and travel all over the world for tournaments. get ready to get you ass handed to you!

Oscar: Toot Toot ( arm moving up and down like you're trying to get a semi truck to honk the horn )
by MoparOscar December 9, 2009
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Girlfriend in Cajun slang, equivalent of "baby".
From a popular song:

"Don't mess with my toot toot,
Don't mess with my toot toot,
You can have the other woman,
But don't mess with my toot toot"

by Fred X. Sanford December 26, 2006
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Toot toot’ is a slang phrase used to announce something:
‘Toot toot I’m home’
‘Toot toot, did you hear about what happened at the party last night?’

You can also reply to someone who has said toot toot, with a toot toot, in agreement or acknowledgement.
Jordan: ‘Toot toot, who wants to order pizza’
Chad: ‘Toot toot, I’m so down
by Chichi420 October 13, 2018
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A noise you can make to blow your own trumpet. Especially when no one else is going to do it. Either, no one will give you praise when you feel you deserve it or perhaps, due to uncleanliness or distaste, no one will give you head :(
person 1: i got 28 kills in a row on that game without dying
person 2: blank stare
person 1: Toot Toot Toot.

person 1: I got the job.
person 2: Your dinner is getting cold.
person 1: toot toot toot

person 1: Suck it baby
Person 2: i ain't sucking that, you're crazy!
person 1: schlurppppp! toot toot toot
by Age_Wills November 16, 2006
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A phrase used to announce something:
‘Toot toot, I’m home!’
‘Toot toot, did you here about what happened at the party?’

Toot toot can also be used in response to someone who has just used it to you, as a way of showing affirmation
Jordan: ‘Toot toot, who wants to order pizza’
Chad: ‘Toot toot, I’m so down
by Chichi420 October 13, 2018
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