A disastrous event that generally occurs during sex between an inexperienced and/or pornography driven male and a poor, unsuspecting female. When the participants are gearing up to do the "deed", the male deems it necessary to take his erect penis, and proceed to SLAP the females vagina in an ill-thought attempt to arouse her.
Consequences of this action are generally yelling, cringing, and prompt cease of sexual activity. Extreme cases will lead to injury, breakups, or imprisonment.
"We were messing around, making out, and getting ready to do it, and all the sudden he started BOX BOXING me! It hurt! I was completely not in the mood after that!"