RDA
Retarded Dumb Ass
Can u Believe he did dat?!?!!?!?!?!? that damn RDA....
by Shay June 19, 2004

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Top Definition
RDA
Recommended Daily Allowance.

Term used to explain the amount recommended on a daily basis for vitamins and other dietary supplements.
Look on the side of any food product at the nutritional information, and somewhere in the little box should be the "RDA" on any of the recommended percentages of vitamins, minerals and other contents of that food.
by Hyphenate July 11, 2004

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RDA
Richard Dean Anderson
Best known for MacGyver and Colonel Jack O'Neill.
by Anonymous September 12, 2003

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RDA
1. Recommended Daily Allowance. Refers to some nutritional standard used by the FDA.

2. Raw Dog in the Ass. Refers to anal intercourse without the use of a condom.
1. Most vitamin tablets contain 100% of the RDA of vitamin C.

2. The girl I'm sleeping with contains 100% of my RDA (not right now... I'm typing).

Bonus Usage: Why do they put RDA on cereal boxes!? That's sick!
(Yes, one time I forgot what RDA actually stands for. Sorry, mom)
by asdf.what? July 02, 2009

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