Colombian froth 

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."

Colombian froth by fakerthanf*ckboi April 30, 2024

Colombian froth 

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.

Colombian froth by fakerthanf*ckboi May 7, 2024