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1. The Gaelic word for Idiot or Fool. Also was used in parts of Scotland as well.

2. A talented Irish-American Punk Band that is based in Corvallis, OR.
"We dun wan' yew Amadans thinkin ye kin have yer fun without us."
-Braveheart
by Fenian_Devil December 27, 2004
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Sep 11 Word of the Day
when you're hungover as shit after a spending a night drunk as a skunk
I'm hungover as a duck let's go get some grub
by pokeythepony June 25, 2021
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3
Gaelic derivative which means "stupid ass" or "foolish ass".
You are a true amadan!....You are a true stupid ass!
by Ciaran Dawson March 22, 2008
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4
With no fear of consiqence, for or of actions....
by M.D August 06, 2003
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