Here's a quick little read about Scott in the St. Petersburg Times:
D'oh, man ...
Scott Dohmann never got into The Simpsons, and sons Gavin and Ezra are too young to have discovered them. But Dohmann can't avoid the animated residents of Springfield. One of patriarch Homer Simpson's catch phrases is "D'oh!" and the Rays, like others, have played it when Dohmann is on the mound.
"I get that all the time," he said. "It doesn't matter if I'm at home or on the road. I get a strikeout, and you hear a D'oh! Or I give up a homer on the road and you hear it. It's second nature by now. You've got to take the good with the bad. It's kind of funny."
There is a book about the philosophy of The Simpsons - The D'oh of Homer - and a listing in the Oxford English Dictionary.
Here's how it sounds, straight from Homer's mouth: http://simplythebest.net/sounds/WAV/WAV_files/cartoon_WAV_files/doh.wav