The noun crumb has 3 senses (no senses from tagged texts)
1. crumb -- (a very small quantity of something; "he gave only a crumb of information about his plans"; "there were few crumbs of comfort in the report")
2. rotter, dirty dog, rat, skunk, stinker, stinkpot, bum, puke, crumb, lowlife, scum bag, so-and-so, git -- (a person who is deemed to be despicable or contemptible; "only a rotter would do that"; "kill the rat"; "throw the bum out"; "you cowardly little pukes!"; "the British call a contemptible person a `git'")
3. crumb -- (small piece of e.g. bread or cake)
Overview of verb crumb
The verb crumb has 3 senses (no senses from tagged texts)
1. crumb -- (coat with bread crumbs; "crumb a cutlet")
2. crumb -- (break into crumbs)
3. crumb -- (remove crumbs from; "crumb the table")