CHUFFED
chuffed
(adjective) very pleased; “I’m chuffed to have won”
Source: WordNet® 3.1
Etymology
Verb
chuffed
simple past tense and past participle of chuff
Adjective
chuffed (comparative more chuffed, superlative most chuffed)
(British, informal) Very pleased or satisfied; delighted.
disgruntled, displeased, unsatisfied (This word can be its own antonym. [Is this slang, sarcasm, reverse psychology, etc?])
Antonyms
chuffed, dischuffed, disgruntled, displeased, unsatisfied (This word can be its own antonym.)
Source: Wiktionary
CHUFF
Chuff, n. Etym: [Perh. a modification of chub: cf. W. cyff stock,
stump.]
Definition: A coarse or stupid fellow. Shak.
Chuff, a.
Definition: Stupid; churlish. [Prov. Eng.] Wright.
Source: Webster’s Unabridged Dictionary 1913 Edition