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1.
Achieving success with luck when failing the attemp (from the simpson series) "a fluke"
The star player in basketball game slipped during the last seconds of the game causing the ball to get accidently hurled at the net and making the winning shot and so "pulling a homer"
by afshin-mrak May 13, 2007
 
2.
Doing something stupid, in reference to Homer Simpson
Oh dam i just pulled a Homer.
by Gumba June 18, 2005