chuffing

Verb (1)

chuff (third-person singular simple present chuffs, present participle chuffing, simple past and past participle chuffed)

1. (intransitive) To make noisy puffing sounds, as of a steam locomotive.
   • The horses stumbled along, coughing and chuffing.1912, Katherine Mansfield, “The Woman At The Store”, in Selected Short Stories
2. (UK, slang) To break wind.
3. Of a powder, propellant, or explosive charge: to become extinguished and reignited intermittently.
   • Double base propellants often require ignition pressures of as much as 400 psia to avoid the problem of chuffing or hangfires.1967 Leo Allen Lukenas: The ignition transient in small solid propellant rocket motors. Princeton University

Verb (2)

chuff (third-person singular simple present chuffs, present participle chuffing, simple past and past participle chuffed)

1. (UK, euphemistic) Used as a replacement for obscenities, particularly fuck.
   • Oh chuff off! I'm so chuffing fed up with all of the spam posts on my timeline.

See all 16 meanings of chuff