white-bread

white-bread

Plain and boring. Possibly offensive if used in reference to a certain class of white people. Used before a noun. We need to swap out your white-bread wardrobe for something a lot more confident.
Farlex Dictionary of Idioms.

whitebread

mod. plain; dull. If I wanted a white bread vacation, I’d have gone to the beach.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • a little goes a long way
  • (Is) this taken?
  • enlist in
  • enlist in (something)
  • biz
  • empty in(to) (something)
  • empty into
  • come in
  • come in a certain position
  • come on in
References in periodicals archive
White-bread rolls, available today in the smallest hamlet, were at this time an almost exclusively urban phenomenon.
Sharing scarcity: bread rationing and the First World War in Berlin, 1914-1923
When the punk rock movement began--an extreme reaction against overblown, overproduced, white-bread corporate rock--it seemed like half the people involved were gay.
Queer as role models
In Galloping Through the Wheat, 1992, wild horses with long, sharp blades for hooves trample a big loaf of what looks like foam Wonderbread, ruthlessly shredding it (and, by implication, white-bread America) into ever smaller chunks.
Dennis Oppenheim