1 definition by Bryan Pilson

Top Definition
A smart yet often cheesy one-line wisecrack said by Gil Grissom on CSI. (eg. "I guess there was no more room at the inn" or "this was a case of death by chocolate") Usually followed by commercial or intro.
Did you hear last night's Grissomism? it was so lame.
by Bryan Pilson April 01, 2004
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