Top definition
Having to do with a person whose actions imply insanity and deviant/devilish harm
My boss is creevil. He starts ranting about random things before noon, screams personal insults at us in front of co-workers and makes a point of firing people during the Holidays.
by Mild Mayhem July 18, 2016
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2
To commit an act that is particularly creevish.
How Creevil was it when Chris ate all the chips
by KSE<3er December 09, 2007
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