Top Definition
Obsessive Instagram Disorder.

Mainly applies to girls, around ages 10-16. They post pictures too frequently, and those pictures actually would have no sense.
I knew Jenna had OID when she posted all those pictures of her in that bikini on the internet.
by risingSKY December 13, 2014
4 Words related to O.I.D
O.I.D Primarily means Only if Drunk, when you would only go for someone if you were under the influence of alcohol.
Would you go Emily? O.I.D man
by anthony111 September 20, 2010
Obese in Denial. A person weighing over 500 pounds.
Alex and Anthony are O.I.D's
by Boberino April 29, 2003

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