Top Definition
A constant phobia that a person might get or is already infected with a bug, at most cases a bed bug.
Zach: Hey Julie, why are you discarding all your furnitures?

Julie: I am starting to get itchy, I think there are bed bugs in these furnitures.

Zach: Looks like you have mind bug, not bed bug.
by shradha September 15, 2010
A term for a police psychologist or personality profiler ect. who likes to get in your mind to read your thoughts if he can and crawl around in it like a bug.
They like to do this because it gives them a feeling of power and control over other people.
John 's got a mind bug trying to read his thoughts.
by Deep blue 2012 February 06, 2010

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