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1 definition by Monicker

 
1.
The mood right after a Pacquiao fight in which PacFans and Boxing Fans alike lose sleep and rest to their amazement.
An example of a Pacquiao Hangover is when you start googling for articles about Pacquiao's fight after previously watching it an hour or so ago until you notice it's already eight in the morning, leaving you to spend the rest of your day with a massive headache.
by Monicker May 03, 2009