They can also be used as a way to get rid of foul mouth odor, which can help you in those early phases of the courting process too. (fitnessandpower.com)
I don't want to be forced to interact with foul mouthed cretins to fully play your game, Infinity Ward. (buttonmashing.com)
Foul mouth odor (halitosis) can be an indicator of serious dental disease. (centuryanimalhospital.com)