Top Definition
A police informant; a "rat".
Hey, I thought I got away with that burglary but my crime-partner pulled a McGruff on me.
#crime #rat #informant #teller #police
von Bobby Rose 10. November 2007
1. Crime dog
2. Used to describe a smell like that of a dog.
3. Libby
"I need to take a shower, I'm getting a bit Mcgruff."
von The Admiral 23. Juli 2003
A guy that Hangs out at Old #3 in Roslyn, WA trying to get young guys to go to the bathroom with him.
You want to go McGruff in the bathroom
#bathroom #guys #gay #fag shit #gruffin
von Baller42o 26. Mai 2009
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