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

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

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

A sexual/alcohol-related act akin to the infamous buttchug. When performing a Mexican Dipstick, one party will soak their finger in tequila, and gently insert it into the anus of the other party.
Note: the salt on the rim is optional, but recommended.
Note: the salt on the rim is optional, but recommended.
I was hoping to party but all I had was tequila. Hating the taste, I asked my lover to perform a Mexican Dipstick, hold the salt.
by Year of the Browneye September 15, 2016

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
