the splattering and projecting of one man's fecies all over your family's toilet (including underneath the lid). It is an utterly disgusting scene and no human or animal is safe around this biohazard.
"He really came over our house and birddogged our second floor family toilet?"
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