a sarcastic pokerface-like smile you give someone seconds before you slit their throats, usually given when maddened to the point of insanity.
he gave her the black smile after she accidentally got his account banned.
by patcat November 5, 2019
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A wonderful, magical blend of Jack Daniels and Coca-Cola combined (and concealed) within a container that is specifically designated to hold soda, so as to prevent anyone other than the imbiber from knowing what exactly is being consumed.

Often used at an individual's place of employment when he/she needs that unique and special pick-me-up.
Damn, bro...this will be my eighth day in a row working without a day off at this God-forsaken place -- I don't know if I'm gonna make it. I could use some Black Betty's smile.

No worries, bro! I'll brew you up a smile when I run to the gas station right now!

...marry me?
by Kyle "Premier" February 24, 2011
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a sarcastic pokerface-like smile you give someone seconds before you slit their throats, usually given when maddened to the point of insanity. it is a crossover between 'are you serious?!' and 'ill end you'
he gave her the black smile after she accidentally got his account banned.
by patcat November 5, 2019
Get the black smile mug.