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1.
The Flaming Nazi is an intense masturbation technique. It involes a male putting a clamp on their testicals and ejaculating while the clamp is still on causing intense pain and pleasure.
"I did a Flaming Nazi and it hurt bad"
by cloontang September 17, 2011
 
2.
The act of a male removing his feces-stained penis from the anus of a female or another male and painting a swastika on his/her forehead.
Steve: "So did you fuck my ex-girlfriend yet?"

John: "Oh yeah, and I gave her a flaming nazi to boot!"

Steve: "Awesome..."
by M-Dogg82 November 25, 2006