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8.
A penis fart is when you sleep with someone and you know it to be an absolutely horrible idea but yet you still hit that anyways.
'Man last night i had the biggest penis fart...... cant believe i did that to your sister'

'Dude, she made the titanic look small, that was such a penis fart'

'Why is it everytime I go to Mooseheads bar I wind up having a penis fart?'
by Piltzener September 22, 2009
22 39
 
1.
gaseous expulsion emanating from penis
A penis fart is incredibly rare and dangerous.
by Wally Petro August 20, 2008
88 55
 
2.
When gas is emitted from one's penis.
Guy one:"dude what was that noise?"
Guy two:"penis fart!"
Guy one:"you mean you just shot gas out of your dick?"
Guy two:"thats right!"
Guy three:"thats hot"
by theonewhoiscoolio October 23, 2009
67 47
 
3.
The passing of air out of the urethra of the penis during manual, oral, vaginal, or anal stimulation.
Hell no, what was that sound you did not just have a penis fart in my pussy. Did you?
by Timothy July 09, 2004
127 111
 
4.
A possible after-affect of a bladder exam. During the exam the bladder is inflated with air making it possible for residual air to cause a "fart" when peeing.

Sound wise a "penis fart" can resemble a queef or the sound a hose makes when extra air escapes.
I never knew it was possible to let a penis-fart until I got a bladder exam...
by Sue Doe Nyhm April 22, 2010
16 5
 
5.
1: An expulsion of air released by the penis.
2: A reference to someone that will never make it in the real world, or is too much of a pussy to get shit done. This originates from the fact that "penisfarts" never happen.
Tice: Yo whats up with Morgan? He's been failing all his tests and he never goes out anymore.
Dylan: Yeah I heard he's been a real penisfart recently. He needs to step his game up.
Tice: True, true.
by DPollydaWeasel October 05, 2011
6 2
 
6.
a commonly used noun oversaid by stupid teenagers that have nothing else to say or do. Immediate punchline, or punch in the face
PENIS FART
*sockinthejaw*
by TruthSpeaker August 09, 2004
63 77
 
7.
When a male either flatulates or shits out of his OWN reproductive system.
Screw you....penis-fart.
by The Bubblegum Fiend October 10, 2003
10 25