Top definition
Someone who thinks they know it all and generally has a very small penis. Usually balding as well.
Look at that guy, he's such a hacault!
by The 4790.2B November 25, 2013
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Jul 2 Word of the Day
Someone people turn to when they're sad who makes them feel better.
Dude, I was so unhappy about my girl, until I spoke to my serotonin donor who really helped me feel better
by jonfurstn1 November 27, 2009
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