While engaging in intercourse with a female , where it has previously been agreed upon that a contraceptive would be used during the porking. The male, in the heat of beating the pink, removes his condom and continues to have sex. Preferably done in the "doggie style" position for optimal stealthocity.
Symms, " Yo I just pulled The Sneak and I feel wonderful!"
Steve " Man that Sneak , gets'em everytime!"