A cultural term used by African Americans to describe the sleepy feeling that comes from eating too much food.
I've got the niggaitis and need to take a nap now.

Mama Duke's cooking always give niggaitis.
by Berry August 16, 2004
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A derogatory term that originated in the late 20th century used to blame ill health on black people in a racist manner
I woke up this morning suffering from a bout of niggaitis.

Doctor the back of my throat feels sore. I’m afraid you’ve contracted niggaitis. It should clear naturally with some rest
by Llcoolj-theogtriple May 27, 2018
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Having a extremley full stomach and no energy to move.
I'm so full I don't feel like doing nothing but laying here, I think I have niggaitis.
by The1nonly April 04, 2013
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The syndrome that may afflict certain people after they smoke weed. Sometimes, after smoking, one will feel tired and lazy, only wanting to sit around and do nothing. This phenomenon has been associated with the stereotypical black person, or nigga. May also be referred to in conversation as

"the itis"
Guy 1: "Dude, I'm so stoned right now. I can't even get up off my ass."
Guy 2 (to friend): "Look at him bro- niggaitis strikes again!"
by stoner44 August 03, 2009
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