a phrase in the song killing in the name by rage against the machine one of the most awesomest hard awesome erect bands in the universe. it's said 16 times and in the music vid the lead says it to a bouncer or a cop or a security dude like a bajillion times and then he calms down.

it's a seriously hardcore phrase, and most punk rocker peeps use the phrase every second of their life. practically.

also it's what you say when your teacher tells you to do something, or if you girlfriend suggests that you stop touching her cheek.
1)

Mom: Hey, Caleb, take out the trash!
Caleb: Fuck you I won't do what you tell me!
Mom: Umm... okay....

2)
Jacob: Excuse me, but would you mind closing your legs Shawn Johnson That smell of tuna is really getting to me.
Shawn Johnson: Fuck you I won't do what you tell me!"
Jacob: What the hell are you talking about? I just asked you to close your legs!

3)
Jason: Hey Erin you're hawttt
Erin: Fuck you I won't do what you tell me!
Jason: That just makes perfect sense, anyway, i'm gonna touch your cheek.
by Ninja J December 27, 2008
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Tell it like it is, give me the honest truth, or tell me the whole story just how it happened
"Dude, I have this crazy story to tell you about what happened to me today."
"Tell it to me fresh!"
by feralmaryl January 6, 2015
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When you feel the need to make someone feel dumb by demonstrating your knowledge over a wide variety of subjects, this phrase is useful.
Me: That's not true
Moron: Yes it is.
Me: Let me tell you something... (infinite pause)
Moron: ... ?
by mikeschneider May 15, 2006
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A typical black elder's preamble serving as a gesture of dominance and/or wisdom...
Young Tyrone: I ain't tall enough to be good at basketball.....
Black Elder: Let me tell you something...
by Pizzlej July 31, 2021
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"she is so pretty"
"let me tell ya"

"you like the nerd in math class?"
"let me tell ya"
by marialainaxix November 14, 2014
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"Let me tell you about homestuck" is a joke about homestuck fans trying to tell normal people about homestuck.
Me :' Hey, let me tell you about homestuck'
Friend: 'NOOOOOOOOOOOOO'
by Homestuckislife.org October 25, 2017
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A ptsd trigger for those who are very cultured.
"Oh no, I just wound you. Don’t tell me you’re broken. So not fair. I’ve taken extra good care of you and everything..." Jane said
"Never say that again!" James shouted with fear in his eyes.
by January 9, 2021
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