chuffyoudaoicibaDictYouDict
"pleased, happy," c. 1860, British dialect, from obsolete chuff "swollen with fat" (1520s). A second British dialectal chuff has an opposite meaning, "displeased, gruff" (1832), from chuff "rude fellow," or, as Johnson has it, "a coarse, fat-headed, blunt clown" (mid-15c.), which is of unknown origin. Related: Chuffed.
huff (v.)youdaoicibaDictYouDict
mid-15c., apparently imitative of exhaling. Extended sense of "bluster with indignation" is attested from 1590s. Related: Huffed; huffing. As a slang term for a type of narcotics abuse, by 1996. As a noun from 1590s; to leave in a huff is recorded from 1778. Popular terms for "strong beer or ale" noted from 1577 include huff cap as well as mad dog and dragon's milk.