1 definition by bamfffff

Top Definition
a gargantuan fiesta late at night in which all attendees are completely and utterly slap happy.
"dude that slappanovah last night was ridiculous man!"

"yeah it was awesommmmeeee!"
by bamfffff May 03, 2009

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