(exclamation): Originating as a greeting by Chief Thunderthud (the only Indian ever to have a moustache) to the Peanut Gallery on the 50's television program "The Howdy Doody Show", the term was later adopted by surfers in the 60's.
Chief Thunderthud: Cowabunga, peanuts!
The Peanut Gallery: Cowabunga!
Surfer: Cowabunga, dude!
An exclamation of rejoice from the early 1990s. Usually uttered by teenagers wearing neon colors. Brought to popularity by the ever-so-famous Teenage Mutant Ninja Turtles.
Leonardo: The pizza just got here!
Michaelangelo: COWABUNGA dude!
a cool word used mostly by surfers to greet each other, say they are having a good time or just happy.
Kelly Slater- "Cowabunga!"
Laird Hamilton- "Totally, dude, this party is awesome!"
Positive, Good, Great, in an aspect greater than 'cool'.
mostly used by headbangers, metalheads, skaters, surfers, and ninja turtles.
Quirky Sally's definition is fine, but the word originated from surfer slang in the early sixties.
Cowabunga! Look at her ride that wave.
when you are smoking pot, and you don't realize your high until 5 or 10 minutes later!