A rapper with 3 letters at the beginning of their name like NBA Youngboy and YNW Melly. These rappers are usually garbage at rapping and have no talent and only make a lot of money because the people who listen to them have a very bad taste in music
“That talentless 3 Letter Acronym Rapper YNW Melly makes me want to rip my ears off of my head when I hear his music”
by spoderman320 June 24, 2023
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A person holding several academic degrees.
"Did you know Sam has a bachelor's, master's, and Ph.D. from Harvard?" Yeah, Sam, is lettered up!
by OleJakk March 24, 2011
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A 'hidden letter' is the opposite of a silent letter. It is pronounced, but cannot be seen. A concept created by C.R.F 13/12/13
The 'r' in Castle or the 'g' in Onion are both hidden letters.
by Casscreatingwordsandterms December 17, 2013
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Capitalizing random words in The middle of the Sentence. Often done Unconsciously.
My English teacher Thinks that I have big Letter syndrome. I have No idea what She is talking about.
by ManMan36 May 9, 2016
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The alphabet mafia, the initialism institution.

The LGBTQAI+ community.
James: man twitter is a mess, any time you disagree with one community, they jump on you and call you a bigot

David: let me guess, the conspiracy theorists or the scrambled-letter syndicate?
by BurntBattleBagel June 18, 2024
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When a person calls you a poop number/letter, they are counting how much you poop. If the number is high then its basically calling you a shithead
you’re poop number/letter 6”
by tweekphobic July 31, 2021
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