tin cow

tin cow

old-fashioned slang Condensed milk stored in a tin can. It's pretty hard to get fresh food this far north, so you'll have to use tin cow for your coffee.
See also: cow, tin
Farlex Dictionary of Idioms.

tin cow

n. canned milk. This tin cow is okay in coffee or something, but you can’t drink it.
See also: cow, tin
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • tin dog
  • tin god
  • (little) tin god
  • a tin god
  • little tin god
  • roof
  • live out of cans
  • on
  • put the tin hat on (something)
  • put the tin lid on something