while preparing to perform cunnilingus on a female of dubious health, the work of slowly kissing from the tits downward. If, by the arrival during the belly option, no odor is recognized, one could surmise it is safe to continue. The recognition of smell during the belly switch test, alternatively, is a dire signal of presense of vagimite. Reverse training course immediately and escort female towards the closest center. See additionally: vaginosis, stank, yeasty.