wowabunga

Best definition
wowabunga
(interj.) A portmanteau of “wow” and “cowabunga”. Used to express one’s reaction to something that is both surprising and awesome.
David Bowman – “Oh my god, it’s full of stars.”

HAL – “Wowabunga homie!”

World of Warcraft junkie – “I gave up WoW because it was ruining my life…”

Rest of the world – “Wowabunga!!”