A cross between a twat and a bastard. Usually encountered in a bar in a crowd from work and you never realised just what a "twatsard" he/she/it was until now.
I used to quite like him until the twatstard started spouting the companyline.
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