When a female has a guy's balls in her mouth and his dick is horizontal across her face underneath her nose. This overall making it look like the girl has a cockstache or cock mustache.
If the dude has some pubes, it could also be called giving a girl a Bitler
A creepy mustache that makes a person looke like a child molester. This word is a portmanteau of 'chimo' and 'mustache'. The word 'chimo' itself is a portmanteau of the words 'child' and 'molester'