Dude 1: Oh man dude I only sloop for 3 hours last night.
Dude 2: Were you too busy watching YouTube?
Dude 1: Yeah.
Dude 2: Heh LOL!
by Mitch Mine Shafter May 13, 2019
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Sloop is a more quirkier manner of suggesting one is in an excessive need of sleep but is present in a gathering of friends, and so, painfully refrains oneself from passing out at any given moment because of the lack of sleep, and proceeds to joke around, telling people he/she needs to “sloop” laughs, and ones friends join him/her with laughter, but we all know that one never sleeps, therefore sloops.
“Dude, I want to sloop. Hahaha just kidding, you guys are my only friends, I’m not gonna go sleep and miss this sweet sweet socialising. I could die of sleep deprivation, nah, just kidding AGAIN”
by Dogue Williams November 30, 2019
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Saying sloop is when you signal to others you will sleep but after 24:00/00:00.
"Sorry guy's I got to sloop."
by alex241107 June 20, 2020
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An indescribably rancid, thin sludge like material. Smells foul and is found in certain locations such as: Under the fridge, in the drain, in tubby kid's 'pits, and 7 day old coffee.

Do not eat the sloop.
Eugh, I found some sloop in my locker. I'm gonna order some HAZMAT people or something.
by Crunch Demon March 24, 2010
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To take ones hand in a semi-pinch and sweep away.
I just wanted to sloop it up.
by Djspin13 July 16, 2010
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