MTA n. a model who takes up acting; a model-turned-actress/actor. (source: Double-Tongued Dictionary)
Further reading
In 1916, a small-town newspaper in Pennsylvania printed a fanciful item about a local gathering with a guest list that included, among others, Miss Ella Vader, Mr. Ray Zor, and other punny names. This is part of a complete episode. Transcript of...
Angela calls from Albany Township, Maine, because she’s puzzled by the slang she hears from younger professionals in her field. She designs wigs and styles hair for actors, and recently she’s heard them use the word eat in a new and different way...