To party with no inhibitions; i.e. unleash the beast. The phrase was originally made popular by the worst song of all time, "who let the dogs out?", but now is used mockingly.
Since the world is supposedly going to end tomorrow, I am going to let the dogs out tonight.
by jeru411 May 27, 2011
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An expression meaning listening to Led Zeppelin. Usually for a long time accompanied with acting as if you are actually performing the songs.

Referenced in the movie "School of Rock"
It's time to let the led out

School of Rock: Don't tell me you guys have never let the led out
by jmakulous October 19, 2010
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Lets game it out is a registered sociopath and masochist Youtuber sensation currently held in a Chinese Re-Education centre in the depth of the Gobi desert, forced to brutalise simulator games.
person 1: "hey, did you hear? lets game it out posted again!"
person 2: "oh god, no no no, I don't want to watch him. This is a nightmare a nightmare a nightmare a nightmare a nightmare a nightmare a nightmare a nightmare a nightmare a nightmare a nightmare a nightmare a nightmare a nightmare a nightmare..."
by OhGodPleaseKillMe November 23, 2022
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Used in polite circles when you are out on the lash need to go home for a poo. Best used with embellishment.
Brad: Sorry lads but I have got to go home and let the dogs out.
Angelina: I thought so, they have been barking all afternoon.
Brad: Yeah, if I don't go now there will be horrible mess.
by Horselhoff September 4, 2007
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When your feet are sweaty/hurting, and you take your shoes and/or socks off to get some relief. Derived from "my dogs are barking" meaning that your feet are sore
ex 1: I know I'm still at school, but I can't stand how sore my feet are... they're gonna stink but I gotta let the dogs out
ex 1: get ready and plug your noses, I'm letting the dogs out
by AccioTea November 21, 2022
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The best Danganronpa fanfiction ever. A pissfic written by Archive of Our Own user taitofan featuring Ouma Kokichi with various other characters from the game.
Person 1 : dude i just read let it all out
Person 2 : the dr piss??
Person 1 : DUDE YES IM SCARRED FOR LIFE
by haha oopsie March 17, 2020
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1. (verb) When two people are having sex in a car and one opens the window
2. When you fart and a car and open the window
A term coined by Cleveland Brown from Family Guy
Prostitute: Oh yeah baby I'm so wet!
Man: Hold on sweetie I'm letting the stank out.
by PoopieMcPooperTon February 3, 2020
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