Top definition
When one human deliberately pumps up another humans state of mind and/or expectations by promising things they have the capacity of delivering but fail to do so leaving them to slowly deflate.
Jim "What is up with Louis, he doesn't seem himself today, he looks quite deflated."

Michelle "Yeah, he has been ManPumped, I heard him mention the other day that his father in law promised to help him and loan him some money but didn't deliver."
by CutUpRough April 27, 2010
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