Southern English slang used to mean "
Don't fuck with me" and aimed at someone who is being insulting or
confrontational. Often the person who uses this word thinks he is a
bad man and the person who it is aimed at has damaged their fragile ego somehow.
Chav#1: Damn man, your girlfriend has had more cocks in her than
the barn her family lives in!
Chav#2: *grabs chav #1 by the collar* Listen bruv don't get
lairy or
i will fuck you up right here and now!!!