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2.
Northern Irish term for tired out, knackered.
I've been going since dawn and I'm foundered
by AidanG August 28, 2005
 
1.
From the hills in Norn Iron we say that Foundered means we are cold.
The wind would founder ye!

'Am foundered, was standin out there all day long an' near froze!
by libbet May 05, 2006