Top Definition
The act of engaging orally with your partner, proceeding to extend your tongue into his/her mouth until touching the uvula. This will cause gag reflexes, and causing your partner to vomit into your mouth sending a satisfying waterfall of barf into your throat, exchanging back and forth.
"Hey man, what did you and that girl do last night?"
-"Not much bro, just a quick Mexican Border Exchange. She ate hotdogs!"
by kevinhysonronlamoreboofinda941 September 27, 2010
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.