phrase used to compare newly apparent (or are thought to be developing) personal characteristic or behavior to a medical condition. derived from common names of diseases such as the measles, the shits (diarrhea), the bends
"Someone's got a case of the the Mondays"

"After watching too much Tv, the children got a case of the gimmes"

"Pot gave John a case of the stupids"
by Marcel van Kraat September 02, 2006
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When someone that is normally a good time acts like a bitch.
Person 1: What's wrong with Peter today?

Person 2: Not sure, he's probably just "Got a bad case of the bitch".
by faha81 February 15, 2011
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