1) Something a seasoned tobacco/marijuana/methsmoker says when they have a coughing fit.
2) A serious condition that you should probably consult your doctor about.
Tom: *coughs like he's dying*
Gerald: Are you okay, Tom?
Tom: Yeah I'm good- it's just my smoker's lung acting up.
Gerald: Dude, you really need to quit smoking.
Tom: Shut up pussy or I'll cough on you.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi