A fork of Rural Dictionary
The body fluids left on a person's upper lip or mustache after performing oral sex on somebody else, similar to a milk mustache of semen or vaginal fluid.
Bro 1: "Dude, Kyle went down on his girl last night and woke up with Colombian froth on his mustache." Bro 2: "I guess he was saving the flavor for later."
The residual body fluids, often foamy and sticky, that remain around a person's mouth or on their facial hair after performing oral sex on another person, similar to a milk mustache of semen or a facial mask made of pussy juice.
Frat bro: Dude, I went down on my chick last night. It was crazy. Buddy: I know, you still have Colombian froth all over your face.