It refers to engaging in trivial arguments or activities, consuming energy better spent on important matters. Bicker or quibble over trifles or unimportant matters.
Origin: Pettifogger was two separate words: “Pettie Fogger” and “Pettie” was a variant spelling of “petty” and “fogger” may come from the word “fugger” used for hucksters and small-time operator of a shady business.
They should spend less time dreaming up new forms of pettifoggery and more time working on real issues.
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