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1.
what you would refer to MEGADETH front man dave mustaine if he were a surfer
hey dude check out big wave dave surfing on his v guitar
by jacob tweedy March 25, 2008
 
2.
The lead singer of the metal sensation MEGADETH. Normally his real name is Dave Mustaine, but when he flies on his Flying V guitar and takes on the likes of enemies Kerry King or anyone else who dares insult him he becomes:
BIG WAVE DAVE
Hey, dude, is there an airshow in town??

Nah, probably just a flight of big wave dave in V formation

Oh;
by Carmino June 16, 2008
 
3.
an occasionally violent homeless man who lives underneath Ocean City Boardwalk, he is a chronic heroin user who sells hermit crabs to support his drug habit
There have been no confirmed sightings of Big Wave Dave in several years. Some say he feeds on unsuspecting tourists. Others say he died from an overdose a long time ago and his spirit haunts Pirate Mini Golf late at night.
by adavid93 July 29, 2012