"Fuckin' eh man, what the hell are you doing?"
"I got them for free""Fuckin'eh!"
It'll work in tons more ways than this too...
Function: colloquialism - Canada
1a : I agree, I concur with your analysis b : an expression of unrestrained joy or excitement c : a descriptor of anything stupifyingly awesome and otherwise ineffable, where words simply fail.
Phil: She's only 12 you dirty old perv.
Jerry: Fuckin 'eh.