Cursing is when somebody acts or implies that they are better than another person, place, or thing.
"Omfg, look at that bitch in her fur coat strutting down this crappy street!"
"I know, she's like, totaly cursing."
"Yeah, she's a major curser."
"She curses a lot."
"omg, wer'e cursing HER out now!"
"OMFG YOU'R RIGHT!"