An idiom used when someone says something so outlandish it goes against anothers thinking. They must be really high.
Someone: i think i could jump off the Golden Gate Bridge and survive the jump, the cold water, and the sharks and if not, you will jump in and save me, eh?
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