slappanovah Share definition Flag 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!" slappanovah by bamfffff May 3, 2009 0 0 Get merch Get the slappanovah mug. Buy Now — $32.95 See more merch
