A light hangover. Very similar to a hangover except you are not hanging, just leaning.
Keifer: "Dude, I feel a little hungover, I only had three beers."
Neal: "You're having a lean over, man. You're only halfway there, you might as well have gotten completely smashed."
by keifermail July 12, 2009
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A disgusting feeling comparible to a hangover but after a night of extreme of piffing.
Dave: Fuck we were chung last night!
Bruce: true dat cuz, mans rockin a hench lean-over today!
by Sir piff alot December 29, 2012
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