A very thin latex sheath when fitted over a mans erect penis allows him to ejaculate in a womans vagina and not make her pregnant. Used by lovers to be able to fuck without making babies.
Darling I want to fuck tonight, but please wear a condom so I don't get pregnant.
A frequently used covering for the penis to catch a mans seman during sexual intercoarse to prevent the woman from becoming pregnant.
Darling - lets fuck I'll use a rubber so you needn't worry about starting a baby.