To let yourself go means to stop caring about yourself and your outward appearance/hygiene, usually because of depression and/or a traumatic event. Typically, a person who has let themselves go will rarely if ever leave their house unless they absolutely have to, and as a result they will balloon themselves up to quite an unhealthy weight. Their confused friend(s) will often try to get them to come out of their shell, usually with no success.
I know that your mother was a very important person in your life, but you can't just let yourself go now that she's gone.
by Someone who kinda exists September 20, 2021
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'It's the weekend!' Jean exclaimed, 'Let's Fucking Go!" he howled before engaging in prolonged, egregious substance abuse.
by lyricalenthusiast June 11, 2014
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A condition when a song is played WAY too much on airplay. All songs eventually get over it, but how long it takes depends on how successful the song is. Named after the phrase you would tell radio stations after hearing a song so many times, and the song from Disney's "Frozen", which is a classic case of this condition.
Alice: Wow, I love this song!
Bob: Really? This song again? This song has Let it Go Syndrome... Let's listen to a different song.
by Anry February 11, 2015
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~ Compulsory Redundancy

Sometimes alternative to "You're fired!", "You're sacked!"

Some would say it's a nicer more civil way of saying it. But really it's only of benefit to the person saying it.
Manager: Look Bill I've done everything I can but they just won't change their minds...

...I'm afraid we're going to have to let you go.

Bill: You mean I'm fired?

Manager: Oh dear no! Thats not what I said...

...but yes, you will no longer work for us.
by Vshjaar June 14, 2009
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Gee dude, is that the drains or did you just let one go?
by David from Kingsbury December 27, 2003
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You say this when you need to end a phone call. Instead of saying "I need to let you go", it switches the final decision to end the phone call onto the other person.
"Hey Let me go...I cannot drive in this traffic anymore while I hold this phone up to my ear".
by Kinner February 25, 2013
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(VERB) To complete any particular action in a superlative, boss, or baller like status. It can also be known to be an exclamation urging members in a group to specifically pursue objects, including but not limited to: loose women, money, championship rings, and alcohol. Originating from Philadelphia, this phrase has picked up considerable usage in the Mid Atlantic region.
Heroes get remembered but legends never die... Let us go
by Reorgia man March 1, 2011
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