Top definition
When you go out and meet someone awesome, then spend the entire next day thinking about only them. You can't stop thinking about them in the same way you can't stop a hangover. So you have a 'boy (or girl) hangover.'
I met this awesome guy last night, and now I've got a boy hangover because I can't stop thinking about him.
by Biondo513 February 05, 2010
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