square biscuit

square biscuit

n. a plain, drab, and dull person. Old Roger is a square biscuit and acts like a school marm.
See also: biscuit, square
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • square joint
  • mystic biscuit
  • Clyde
  • call (something) square
  • call square
  • air biscuit
  • fair and square
  • bluh
  • bousta
  • square up
References in periodicals archive
A good-sized box with a large assortment of shortbread in nicely designed round and square biscuit shapes.
The new pack is oval shaped and presents a more contemporary image on shelf compared to the traditional square biscuit tin.
Trademarked under the name Detka Ginger, these flat, square biscuits have fun shapes printed onto them.
Cadbury Dairy Milk Biscuits are Square biscuits coated in delicious Cadbury Dairy Milk chocolate.