The act of dating someone to get "closer" to someone else.
"Did you hear that she Baileighed him?"
"Yeah, didn't she go for his brother?"
The act of falsely accusing someone (usually a spouse) of demostic or sexual violence in order to recieve benefits such as money or especially attention.
Damn did you hear about Daniel? His methhead cunt of an ex Karen pulled a Dirty Laurie on him.