Definition of "crummy"

crummy¹

/ˈkɹʌmi/

adjective
comparative crummier, superlative crummiest
1. (informal) Bad; poor.
  Quotations
  Whether it's a crummy hometown, a crummy job, or a crummy family, Bruce punctuates his songs with some oppressive tension. Early on in his work, oppression is nothing an open window, a fast car, a willing female, or a tank of gas couldn't fix.
  2011, Randall E. Auxier, Douglas R. Anderson, Bruce Springsteen and Philosophy: Darkness on the Edge of Truth‎, Open Court, page 197
2. (dated) Full of crumb or crumbs.
3. (dated) Soft, like the crumb of bread; not crusty.

crummy²

/ˈkɹʌmi/

noun
plural crummies
1. (informal, British Columbia and U.S. Pacific Northwest) A small van, bus, or railway car used to transport loggers or other resource workers to and from the worksite.
2. A cow with a crumpled horn.