Pingas is a Spa-Dinner sound that sounds like penis and originated from an Adventures of Sonic the Hedgehog episode from a line spoken by Robotnik: Snoo(ping-as) usual, I see!
According to Gwonam, it is written Pingas is synonymous to porn. Of course, we all know Gwonam is full of shit. PINGAS = Dick. Fuck your logic, Gwonam!