The act of getting some cheap laughs by pooping one's pants.
Billy's lame jokes kept falling flat, so, desperate for a laugh, he decided to change course and try some self-defecating humor.
by Lord Nexus VI November 22, 2012
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Not to be confused with self-deprecating humor, self-defecating humor is NOT funny. A joke that bombs like a dump of crap.
Example: A joke about your own foibles that stinks!

Sorry,Man, I hate to admit it, but I like PB&J with bacon even though it always gives me gas. (Your admitting that is self-defecating humor.)

Too much information, Dude!
by sizcruz January 22, 2010
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