(1) A public sullying of an innocent dude's name/reputation by falsely claiming that he is the
father of your love-
baby.
(2) A drop of blood or a cheek-swabbing that's applied to a glass lab-specimen-slide in preparation for a paternity-test. Often a follow-up action that's prompted by
Definition #1.
A sneaky new way for a crooked doctor to generate
extra income during "slow periods of business" is to solicit one or more
local unwed mothers to involve a fairly-well-off bachelor in a
Pap smear, so that said unfortunate dude will be obliged to hire said doctor to perform a paternity-test to clear his name.