Top definition
A very large orgy, in which all participants wear formal clothing. Although, I can tell you from experience that wearing no clothes at all helps with the purpose of the orgy.
Joe: So, Fred, did you go to the "modern day school dance" Saturday?
(Fred gives a puzzled look)
Joe: The giant orgy?
Fred: Ooooh, yeah!
by Joshua C. K. March 03, 2008
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug