gunful

plural gunfuls

1. as much as a gun can hold.

   Pump one gunful of oil into the upper pressure fitting of the seal.

   1965, NAVDOCKS., page 170

   2 more examples

   It is better to use only one-half gunful at a time, and give it little jabs ever so often, than to use a whole gunful at a time.”

   1920, The Motorcycle Enthusiast in Action: The Magazine for More Motorcycling Pleasure, page 55

   “Just say one word, that's all!” he threatened. “Just you mention my name and I'll pump a gunful of bullets—”

   2015, Edgar Wallace, 90 CRIME NOVELS: Complete Collection (The Secret House, The Daffodil Mystery, The Angel of Terror, The Crimson Circle, The Black Abbot, The Forger, The Green Archer, The Avenger, Jack O'Judgement…): From the prolific author known for the creation of King Kong, The Four Just Men, Detective Sgt. Elk, Mr. J. G. Reeder, Educated Evans, Smithy and Nobby, The Clue of the Twisted Candle and more, e-artnow, →ISBN