Very common in people of African-American decent. It happens when you eat too much, and you feel really lazy and after you sit down you dont want to get back up, so you loosen your belt and catch some zzz's.
Jamal: Yo, Malik, lets go to Dashauns house, he having a party.
Malik: Man, I cant. I just ate.
Jamal: Oh, you got itus right?
Malik: Yeah, I ordered some take out from Mings.
Jamal: That place is the shit, yo.
Malik: Mmmm...
Jamal: Malik. Malik?...Dumbass negro.
by Melbug March 11, 2009
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When you eat too much, and you feel really lazy and after you sit down you dont want to get back up, so you loosen your belt and catch some zzz's.
Dave was going to come over earlier but he got the itus.

Sarah: why didn’t you call me back last night?
Dave: sorry, I got the itus after dinner.
by Thatscrazybuddy November 29, 2020
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An acronym that stands for I Told U So. Used in texting by teenage girls and dickheads that think they are smarter than you in order to rub in the fact that they were right and you were wrong.
Oh she cheated on you? That's a surprise. ITUS! HAHAHA!
by Barnaby Brownpaste October 12, 2011
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when u eat too much and u get tired and cant do nothin but sleep.
say for instance you just ate some fried chicken and rice from the chinese spot. ya friends call you up like lets go out. but damn u just ate all that food and u now your tired. you tell your friends maybe in a half i got da itus.

pronounced. I-tus
by Harlemsbestgirl July 23, 2006
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being so addicted to tumbr that you can't stop and your social life goes down the drain.
Annie: OH MY...i think i have tumblr-itus
Casey: WTF
Annie: you know...im not going out anymore, my hands are glued to the mouse pad...i can't stop making jokes only people with a tumblr can understand...plus i keep writing this: "la;ksjlkj" and correcting people when they write "your" when they mean "you're"
Casey: and when does this disease end?
Annie: never c:
by anniekinns.tumblr.com June 21, 2011
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