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1.
Chowing down on a hamburger while a girl is enjoying your cock meat sandwich.

In honor of RJ Umberger, go Flyers! YEP!
While watching the Flyers and eating a Bubba burger, I received a humburger from my slampig as Umberger scored the winning goal.
by YEP Logjammer May 03, 2008
 
2.
A very disgruntled expression, humburgers are truly unpleasant.
When Bush won the 2004 election, John Kerry let out an exasperated 'bah humburgers!'
by Ruum December 01, 2004