1 definition by born2perform313

An adjective that is synonymous with extremely cool, awesome, amazing, etc. Mostly used by people of the "hipster" classification, but is also common among others.

Originated from blogger Dan Bergstein on "Sparknotes."
Jenny: "Hey, look at my new shoes!"
Melissa: "I love them, they're so viper!"

Emily: "Hey, are you going to Heather's party this weekend?"
Sofia: "Yeah, I heard it's supposed to be viper!"
by born2perform313 February 16, 2011
Get the viper mug.