2 definition by asdf.what?

Top Definition
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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Retard Units. Used to describe English Measurement units (as opposed to SI Units). The F expresses frustration... although not in those exact words.
WTF is a psig!? These FRUs are killing me.
by asdf.what? July 02, 2009

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