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.
1.(n)merkin salesmen
2.(n)species of pubic lice that is native to Jesse McCall of Glastonbury, CT
3.(n) a duckbutter collector
1. I was shopping at Macy's and the penisarufius used high pressure tactics to sell me a merkin.
2. Bill contracted penisarufius from using Jesse's razor to shave his scrot.
3. DH is the penisarufius MVP for the 2003-2004 season.