a bit rich
Rather ironic or hypocritical. You think I'm cheapskate? That's a bit rich, considering you've never helped pay the rent or any of the bills in this house. I find it a bit rich that the politicians supporting this tax cut to the richest portion of the population would claim that it is for the benefit of the working class.
a bit rich
INFORMALIf you say that someone's criticism is a bit rich, you mean that they themselves are guilty of the same fault. Gil says that women can't keep secrets. That's a bit rich, coming from him.
a bit rich
used to refer to something that causes ironic amusement or indignation. 1998 Times It is also a bit rich for Mr Hames to reprove Buckingham Palace for its ‘new, slick, emphasis on presentation’, while speaking for the organisation that invented ‘rebranding Britain’.