Uncontrollable elated singing often caused by the "Pong Flu" which brings out maximum ecstasy for a short duration. This is not to be related to "Ponggasm", which is when a man named "Pong" has an orgasm (during sexual intercourse with oneself)
"Oh my god, what is with all this singing?" A said.
"He must be having a Pongasm!" B replied.
An error that occurs while you're working in the popular 3D application: XSI. XSI is inherently inferior to Maya, it is common that many 'pongi' may appear.
"Por favor, NO PONGAS productos femeninos en la tasa del bano. Ponlos en la basura cubierta. Muchas Gracias."
OR
Shit. The frickin' rig's mBody_GEO is missing. Send a PONGAS to rigging.