2 definitions by the dude! man...

To yell at someone to either get their attention or make fun of them. Often done with a group of people to a single person.
"Hey guys look at that guy in the bright pink car! YERP YERP!"
by the dude! man... July 29, 2008
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An action that involves being a noob. Often results in a bad outcome. People will most likely be in shock because the action was so noob.
"I can't believe it! Kyle did the most noobtastic thing today. yeah, he is dead now."
by the dude! man... July 29, 2008
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