slumpbusting

When an athletic player is in a bad slump, the act of finding the most despicable, ugly, fat, hideous member of the opposite sex and having sexual relations with that person for the sole purpose of breaking out of the slump.

When someone is having trouble getting laid, they're in a slump. When you're in a slump, you need an easy score to get your confidence back up and break the slump - a slumpbuster. Often this means lowering your standards, and sleeping with someone you would never otherwise associate with. The term is obviously negative, and can even damage the reputation of someone who uses it; it implies that the "slumpbuster"'s only purpose is to screw someone who's desperate for sex, and also implies that the person invoking the term uses women for sex. Use with caution; it tends to make things worse for everyone involved.

An extremely unappealing woman, usually of the genus fatticus femininis. While grizzly in appearance, the slumpbust serves a valuable purpose. A man who finds himself in a slump (whether in baseball or some other aspect of life) may attempt to break or bust that slump by taking home a local slumpbust and riding that slump into oblivion. Please note that a man who has sex with a slumpbust is making a tremendous sacrifice with the intent of self-improvement, and therefore should not be subjected to ridicule and torment by his peers.

The belief, commonly held by baseball players, that by sleeping with an overweight and unattractive women they can break their slump.
A slump being the period of time when a player is not playing their best or is under preforming.

A promiscuous and/or unattractive woman with whom a man would normally have nothing to do - however he sleeps with her anyways because he's in a slump.

When a professional athlete finds the dirtiest, nastiest, fattest, most disease-ridden skank and puts the wood to her with the intent that it will break up a slump.

When you don't get laid for awhile, your in a slump. So you screw a girl that you would not be seen in public with unless you were intoxicated.