British slang, old-fashioned excellent; splendid
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
How to use spiffing in a sentence
Mr. spiffing (repassing a few minutes later, with one of the young Ladies on each arm).
I've got a pair of spiffing caps for you; do for church if you like.His Majesty Baby and Some Common People | Ian MacLaren
"spiffing," agreed Iva, who was also inspecting the new acquisitions.A Fortunate Term | Angela Brazil
It was impossible for any one to deny that such a thing would be spiffing in the very highest possible degree.Priscilla's Spies | George A. Birmingham