Check yourself before you wreck yourself 

Take a step back and examine your actions, because you are in a potentially dangerous or sticky situation that could get bad very easily. Often in a harmful manner.

"I'm going out with a beautiful woman tonight, she's married..."

"Fool, you better Check yourself before you wreck yourself!"

Check yourself before you wreck yourself by GSDubs October 13, 2009

check yourself before you wreck yourself 

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1 (v, idiom) "check yourself before you wreck yourself"

A popular idiom- its creation typically being credited to the revered American Gangster Rapper, Ice Cube- that implies a person, before making a firm choice of word(s) or action(s), should first exercise precaution and consider all outcomes and possible consequences that will follow as a result of what they say or do; and that, as a result of the individual's negligence to use foresight in the situation, if they do not exercise such precaution- or "check theirself" first, then on nearly every occasion that isn't a "first offense" the individual in question will suffer instantaneous or swift judgement (karma) dictated by the other people around them.

(synonyms: recognize, respect, keep it 100, watch one's attitude, watch one's mouf, behave oneself)

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"Ayo, Christine. I done seen my girl loving up another man."
"Who, Quincy?"
"Yes, ma'am. You already know I'm finna burn all her shoes!"
"Woah now, big dog! You'd betta check yourself before you wreck yourself."

check yourself before you wreck yourself by Yo Mama’s Asshole January 26, 2021

You better check yourself before you wreck yourself 

Colloquial slang coined in Tauranga, a small urban center situated in the central north island reigon of New Zealand. The term refers to an expression for ones need to consult a certified physician or other health specialist in regard to their sexual health, or lack thereof, that may result in serious sexual health concerns or the "Wrecking" of oneself.

" That looks like a nasty rash girl. You better check yourself before you wreck yourself."

or

"About last night.....You better check yourself before you wreck yourself."

You better check yourself before you wreck yourself by xXb0wd0wnXx March 18, 2011