Penis fart is where a man or a woman is about to fart which is a substance that comes out of the man or lady's 'bumhole' it is also a gas substance so to cause a penis fart is by about to fart but you hold the fart is in my clenching your butcheeks and if ends up backfiring
Yo bro wanna see something cool
Yeah sure
*penis fart*
That was sick
I know it's a special skill
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