Top Definition
The act of forcing someone to kneel down (have them stand if they are much shorter than you), then removing all your clothes, and getting to a good distance. Once you have achieved the desired distance, you then run and jump, swinging your hips causing the head of your penis to slap them in the face, leaving a bright red imprint shaped like a mushroom.

Please exercise extreme caution when performing the Flying Mushroom Stamp. Serious injury may (and often will) occur.
I performed the Flying Mushroom Stamp on that bitch, dawg!
by Kaj Darkwind May 15, 2010
The act of forcing someone to kneel down (have them stand if they are much taller than you), then removing all your clothes, and getting to a good distance. Once you have achieved the desired distance, you then run and jump, swinging your hips causing the head of your penis to slap them in the face, leaving a bright red imprint shaped like a mushroom.

Please exercise extreme caution when performing the Flying Mushroom Stamp. Serious injury may (and often will) occur.
I performed the Flying Mushroom Stamp on that bitch, dawg!
by Kaj Darkwind May 15, 2010

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