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1.
A guy with superpower able to destroy the world, mental control powers and ninja skills. Some says that a rivera guy is immortal, but it is actually unconfirmed by the scientific community.
Guy 1: don't you know that superman is on a rivera level?,
Guy 2: no way, superman it's too lame to even compare.
by Anonnymous guy March 30, 2011
 
2.
noun - the act of failing to show up or arriving late to class, usually preceded by the phrase "to pull a"
"Hey, where's Tazumi?"

"Oh, I think he pulled a Rivera."
by 13anonymous37 September 30, 2009
 
3.
Short for riv, this is the Spanish slang word for pedophile. An older man who preys on underage girls, especially through the internet.

Also see chester
"But hombre, I didn't know she was 16... I'm not a rivera!!"
by Babygirl16 August 07, 2007
 
4.
Short tempered, mexican fence hopper
Dude, did u see rivera jump that fence?
by 65745674567 October 11, 2006
 
5.
An alternative meaning to Dick In a Box. Can be used against you in a mean way, like calling you a dick, or can be used in a nice way, like saying that your really smart.
Example 1: Dude, stop being such a Rivera. Its annoying.

Example 2: Dude, your such a Rivera! Good job!
by Godloveseveryone January 04, 2011