McMerica 

The supersizing of America - the houses, the people, the excess, and the people who love it.

McMerica: Hummers, 4,000 square foot houses, Reality TV, $250 million dollar baseball contracts, $200 jeans, $500 purses, triple cheeseburgers, 75 inch plasma tv, botox, liposuction, etc...

McMerica by "NaimTime" January 6, 2009

McMexican 

A person who is half-Mexican and half Irish. They have the awesomeness and ability to drink of the irish and the mexicans capacity to do hard labor.

Joe: Hey nick, look at the damn Mexican sitting outside the 7-11 waiting for work. Maybe we should pick him up and then drop him off at the police station.
Nick: You moron he's not a Mexican, he's a McMexican.
Joe: Oh well in then in that case let's buy him lunch.

McMexican by Bigcoolsean October 4, 2009

Whitey McMexican 

person from New Mexico from 100% spanish decent lacking skin pigment.
other common terms: Whispanic, Whatino, la'ite

"She said she was spanish but man, she looked like a Whitey McMexican!"

Whitey McMexican by eeneR ZedlaV July 26, 2008