"There's no call to be niffy," he apologised at last.
"I Saw Three Ships and Other Winter Tales"
Arthur Thomas Quiller-Couch
He kept them in his study in a kind of glass-tank arrangement, and pretty niffy the whole thing was, I recall.
"Right Ho, Jeeves"
P. G. Wodehouse
Stars were beginning to peep out, bats were fooling round, the garden was full of the aroma of those niffy white flowers which only start to put in their heavy work at the end of the day-in short, the glimmering landscape was fading on the sight and all the air held a solemn stillness, and it was plain that this was having the worst effect on her.
"Right Ho, Jeeves"
P. G. Wodehouse