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1.
The general feeling of lethargy and well-being experienced after eating a satisfying meal. This phenomena is particularly triggered by foods high in carbohydrates and meats containing the amino acid tryptophan.
I got the itis so bad after the Thanksgiving meal I just chilled on the couch and watched some movies.
by Dorjan Scott February 16, 2004
 
2.
When you eat a large amount of food and soon after feel really tired
Man that half apps gave me the itis
by niggrumps September 29, 2014
 
3.
When you call in sick to work but aren't really sick
"I think I'm going to catch the itis on Friday "
by Quality associate February 23, 2014
 
4.
When you become sleepy after eating food or getting some booty.
"Man after I ate that chinese food the Itis whupped my ass."
by Pistalwhipped.net January 27, 2004
 
5.
the feeling, called niggeritis because it is normally found in us Blacks, after enjoying a filling meal. some symptoms are fatigue, "happy" feet, and droopy eyes.
I got the worse case of the itis after that cheese steak with fries.
by Philly's Fynest Shorty March 14, 2006
 
6.
a sexualy transmitted infection.
yo son dont stick yo dick up in that trick, she got the itis son, word is bond.
by BALL$ June 02, 2007