gutbucket

noun

• 1British a glutton.

• 2 [as modifier] chiefly North American (of jazz or blues) raw and spirited in style:his gutbucket guitar solos

  [ early 20th century: perhaps from the earlier meaning of a one-stringed plucked instrument, with reference to its construction, or referring to the bucket which caught gutterings (streams of liquid) from beer barrels in low-class saloons where such music was played]