Mexican Mule 

When a man pees in a women's anus.

When I'm bored, I call a hooker over so I can perform the mexican mule on her.

Mexican Mule by Prickly Pete November 22, 2006

Mexican Mule 

A derogatory term for a person who swallows condoms filled with ejaculate in order to hide them from detection while traveling.

Brian suddenly became sick to his stomach upon arrival in Mexico. He was rushed to the ER where it was discovered he was working as a Mexican Mule.

Mexican Mule by Mr413 January 25, 2023

Mexican Pack Mule 

The act of peeing in a girls mouth as she sits on the toilet and pees as well.

Have you ever tried a Mexican Pack Mule?

Mexican Pack Mule by Nukaworldsupreme November 2, 2019