Blabbermouth is a play by Australian playwright Mary Morris, adapted from the book of the same name by Morris Gleitzman.

[1] The play concerns a young girl, Rowena, who moves to a new country town and school.

Her widowed father has a penchant for satin cowboy shirts and embarrassing his daughter in public.

This is a story about disability, friendship, fitting in, and how children and adults try to co-exist.

[citation needed] Blabbermouth was first produced by the Melbourne Theatre Company at The Fairfax, Victorian Arts Centre, 10 September 1993[2] with the following cast: