when something has gotten passed your defenses and disrupts your train thought. in most cases it is a person, however non living things could be applied. introduced by the esteemed Dr. Octagonecologyst, when someone is in your corner, its like saying check in a game of chess"
person 1: Yo bitch,I screwed yer mom Person 2: suck my dick,ass face,you don't even know her. Oh and ask your mom if she's preggo,cuz I went hard on that bitch. Now go back to your corner