Top Definition
The act of using as much of your sick time as possible when you know you are leaving your present job and knowing that you will not be paid out for your sick time. This results in you being out sick for an extended period of time. Due to the long absence you claim you have mono. There is a two week minimum requirement for mental mono.
"Is Dave okay, he has been out sick for awhile?"

"He is fine, he has had mental mono since Penn State offered him the job."

"Good for him, way to burn up his sick time."
by Dave Pennell January 15, 2009
6 Words related to Mental Mono

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