Top Definition
The relationship between Gil Grissom and Catherine Willows from the CSI-series. Also know as GCR.
The word "Grillows" is a composition of 'Grissom' and 'Willows'.
(About Catherine)
Lt. Brooks: Trouble with the wife?
Gil Grissom: Yeah, she hates it when we're apart.

Fans see this as a great example of Grillows.
by I.B. July 17, 2006
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