Another unecessarily crass alternative to 'Wow'. It's along the same lines as 'I'll be damned' or 'Holy Shit!' but a little more unique. It has a good ring to it thanks to rhyming a bit and it's novelty.
Chad - Whoa, he actually made it!

Dan - Well dip me in duck shit, I figured there was no way..
by eatsleepobey December 18, 2009
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