When a man blows his load into his girlfriend/boyfriends asshole. Then his partner gets on their hands and knees with their ass in the air, and clenches their asshole, causing a burst or "volcano" of jizz to come shooting out.
Friend: Dude, I heard you and your bae did a Mexican Volcano last night.
Dude: Yeah bro. It left a pretty big mess!
Dude: Yeah bro. It left a pretty big mess!
by TheAcornnMan July 28, 2014

"That chick took the Mexican Avalanche like a pro-skier." or "I Mexican Avalanched her twice and she still came back for more."
by Big Deezy February 21, 2003

A late twenties/early thirties young Mexican woman who has never been married and doesn't have any kids. It's unheard of, making her a Mexican unicorn. When you find one, snag her and keep her!
Mom, I met a girl named Josephine and she's 31 with no kids.
Mom: Is she married?
No mom. She's a good catholic girl.
Mom: She's a Mexican unicorn. Marry her son.
Mom: Is she married?
No mom. She's a good catholic girl.
Mom: She's a Mexican unicorn. Marry her son.
by Locomotive November 30, 2014

Usually, but not limited to, when a male kisses a pregnant woman's protruding stomach for a paternity photoshoot. Statistics show that most people who take these photos are Mexican, or more recently more varieties of Latino Countries.
by Jairo 34 Leon January 7, 2021

A group of Hispanic high schoolers who do not associate with high schoolers of different races or in traditional cliches.
by Jodyia97 November 14, 2014

One person is tied up on a computer chair and spun around while group of guys/girls with sombreros on has to cum on the person tied up and whoever hits the person on the computer chair wins.
Jose tied up Juanita a gave her The Mexican Tornado with his friends Pablo, Juan, and Pedro when they got back from Taco Bell.
by Zach Geary November 5, 2017

two or more days of consecutive binge drinking to the point of intoxication. usually done in conjunction with skipping work or school.
last week we went out drinking from tuesday to saturday...a real mexican marathon...im hung over as hell
by fp12319 May 9, 2010
