A girl, usually a jealous bitch, trying to break up a happy relationship and she doesn't give a hot damn about anything but getting the guy for her own intents and purposes.
Shanequa and Toby were deeply in love when LaQuanda, the home wrecker, had to come mess it up by trying toget with Toby.
The person who steps outside his/her marriage/committed relationship and takes a lover. That person makes the choice to risk his/her committed relationship, and should be recognized as the true home wrecker, not the lover.
He called his lover a home wrecker once the wife caught on to their relationship. His lover said "You are the one who made the choice to wreck your home, not me."