This is a 'mangled metaphor'. It mixes up 3 idioms:

Piss on my leg and tell me it's raining
Piss on one's chips
Piss and vinegar

To deliberately and painstakingly go out of one's way to ruin a friend's chances of success. Usually done jokingly with reference to the opposite sex.
No way do I want you as my wingman. You would piss on my chips and tell me it's vinegar.
by fuguez September 26, 2009
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The old days, when this was your biggest problem.
"Man, I can't deal with any of this! Remember when our biggest problem was where the candy aisle was in a grocery store? CAN YOU TELL ME WHERE'S THE CANDY?"
by JormanThoad July 22, 2020
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TMSIDK is the abbreviation of Tell Me Something I Don't Know. To show sarcasm at the obvious.
Person 1: "It's raining out"

Person 2: "Tell Me Something I Don't Know"

Can also look at sites like www.tmsidk.com for more info.
by agnoster August 19, 2010
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tell me how my ass tastes

The new slang or term to beak someone. Thought up by the epic freestyler Shaq. This phrase can be used to make fun of someone and is a sure when to shut the other guy up
tony: You aye you suck bro your a piece of garbage
mike: is that right?
tony: ya man your worthless
mike: well.. tell me how my ass tastes!
by mydickisafootlong June 26, 2008
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Tell me how my ass tastes.

A saying used when you do something that makes anyone look weak, or makes you look superior.

Coined by Shaquille O'Neal's rap against Kobe.
Person A: "You're gonna get intercepted, watch!"

Person B: "Never! Watch, for the touchdown!"

Person A intercepts Person B

Person B: "Damn..."

Person A: "Tell me how my ass tastes."
by The Cannon June 26, 2008
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a cool ablum made by a cool band
by VMC August 30, 2003
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Disbelieving response to an attempt to mislead, equivalent to: "pull the wool over my eyes"
You tell me that you've worked as an airline pilot and a surgeon, too? Go on ... you'd piss on my leg, and tell me it's raining.
by ursamel June 24, 2007
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