-lasting for a very short time.

-When something happens quickly or doesn't last as long as you'd like, it is described as being fleeting.
"hoping to get a fleeting glimpse of a whale underwater"
by Vabe Tellurion December 19, 2022
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A term used to describe when someone is cleaning out their ass/vagina.
"Bye girl, I need to fleet. Can't be out here painting these niggas, sis."
by angeldelmito January 13, 2017
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A brand name of enemas...where the term "Fleeting" comes from, regarding colon cleansing.
If you are constipated, you need to go Fleeting, with a Fleet enema.
by Genuine Nerd November 8, 2010
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a cool person who is incredibly fresh and has people that want to be fly like them

the term was originated in Marcy Projects BK, NYC...
person 1: Yo dat nigga stay shittin on deez bum ass niggas

person2: wrd...dat nigga stay fleet
by Detwyler December 11, 2008
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The Fleet is a mythical creature that supposedly exists inside the Marine Corps after training. This is where things are supposed to get easier and a tad less stresseful. The existence of the fleet has been proven a lie and does in fact not exist.
"A" school instructor- "We are training you for the fleet."

Pissed off Boot - "The fleet is a lie!"
by Jenkbeck08 September 25, 2015
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To excrete one's feces via natural anatomical and physiological bodily functions.
I felt better after I fleeted.

Yesterday, I saw my doctor and we discussed fleeting.

It is important to fleet on a regular basis.
by GIMDpatient July 24, 2006
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Fleet is a thing on Twitter that is basically just snap chat so you can share anything you want and then it disappears in 24hours
by Chile-anywaysoo... January 7, 2021
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