gut-bucket (adj.)youdaoicibaDictYouDict[gut-bucket 词源字典]
in reference to jazz, "earthy," by 1929, supposedly originally a reference to the buckets which caught the drippings, or gutterings, from barrels. Which would connect it to gutter (v.).[gut-bucket etymology, gut-bucket origin, 英语词源]
gutter (v.)youdaoicibaDictYouDict
late 14c., "to make or run in channels" (transitive), from gutter (n.). Intransitive use, in reference to candles (1706) it is from the channel that forms as the molten wax flows off. Related: Guttered; guttering.