crumb
     n 1: 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: 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'" [syn: {rotter}, {dirty dog},
         {rat}, {skunk}, {stinker}, {stinkpot}, {bum}, {puke}, {lowlife},
         {scum bag}, {so-and-so}, {git}]
     3: small piece of e.g. bread or cake
     v 1: coat with bread crumbs; "crumb a cutlet"
     2: break into crumbs
     3: remove crumbs from; "crumb the table"
Source: WordNet® 2.0

crumb n. Two binary digits; a {quad}. Larger than a {bit}, smaller than
   a {nybble}. Considered silly. Syn. {tayste}. General discussion of such
   terms is under {nybble}.


Source: The Jargon File