Although he had not mentioned the name "Porcupine," he had given me such pointers as to put me wise as to who the objective was, and now he requested me not to blow the gaff!
"Botchan (Master Darling)"
Mr. Kin-nosuke Natsume, trans. by Yasotaro Morri
"Why, if we had time we'd run you up at your own main-gaff you old land-shark," shouted another.
"The Boy Aviators in Africa"
Captain Wilbur Lawton
If it is winter, the seals may be caught near their blow-holes in the ice, and hit over the head with a stick called a gaff.
"Grenfell: Knight-Errant of the North"
Fullerton Waldo