1 definition by Greg A Scott

Top Definition
A Dinner Dog is the sort of guy who will cut a man's grass without care or consideration. The term can also be applied to anyone who eats food, typically a dinner, belonging to or designated for consumption by another person.
Sullivan, i was saving that leftover pizza for later, plus you tried to make out with my girlfriend- you're such a dinner dog.
by Greg A Scott May 21, 2008

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