A noisy puffing sound, as of a steam locomotive.

(England, slang) Used as a mild intensifier, especially as a substitute for "fucking".

present participle of chuff

plural of chuffing

simple past tense and past participle of chuff

(UK, dialect) Displeased; gruff.

(Britain, informal) Very pleased or satisfied; delighted.

A minced oath, an expression of dismay, disgust, anger, surprise etc. / Used like "what the hell" to add emphasis.