When preparing to perform cunnilingus on a woman of questionable hygiene, the act of slowly kissing
from the breasts downward. If, by the arrival at the belly button, no odor is detected, one can surmise
that it is safe to proceed. The detection of odor during the belly button test, on the other hand, is a dire
indicator of the presense
. Reverse course immediately and escort female
to the nearest clinic.
See also: vaginosis