Top definition
An unfortunately named chocolate flavored diet aid that went out of business around 1983.
My friend gave me some Ayds to suppress my appetite. Now I'm skinny as an AIDS case, Hooray!
by Elfishimp June 28, 2006
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2
It's an acronym for "Are You Dumb?"
A: (Does something stupid to person B.)

B: Why did you just do that to me? AYD?
by shazbots April 22, 2010
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