Similar to “whatever floats your boat” or “if that’s your cup of tea,” but with more of an supportive tone.

It can be used to encourage others to do what makes them happy or to stick to their values/beliefs despite opposition, or as a way to acknowledge others may do something differently than how the speaker/writer just said they do it and they won’t judge.
“I really want to wear this outfit I love but Sarah’s said it’s tacky.”
“That’s just her opinion! Her style is really different from yours but that doesn’t mean this style is bad. You do you, Boo! Own that look!”
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“Personally I think that much cream and sugar in the drink makes it a coffee-flavored dessert rather than an actual coffee, but you do you, Boo.”
by Haruko-chan June 29, 2023
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Doing something you want and beliveing that you can! Making your own path. You do you girl
I'm going to go on that date and do what I want. You do you girl
by Milaela May 30, 2017
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Once an individual reaches a certain point in life the individual can now do what they want, when they want, where they want. With no restraints.
"Why did you think it was ok to do such a thing"
"You do what you want when you poppin"
by JuicePharoah January 31, 2016
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“what can you do when you live in a shoe” is a classic saying used in many different circumstances. it is used when there is nothing else to say and another way of saying “there’s nothing you can do about it”
“bro my boyfriend just cheated on me with my uncle harry”
“damn that’s super tough, but what can you do when you live in a shoe”
by unclegarry123 December 5, 2019
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