noun, plural bif·fies. Chiefly Upper Midwest and Canadian Slang.

a toilet or privy.

Also biff.

Origin of biffy

origin obscure Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for biffy

Historical Examples of biffy

  • Get a move on that carcass of yours, Biffy, and let somebody else get up to that table.


    F. Hopkinson Smith

  • And he had beaten Biffy to it, although Biffy had almost killed himself with trying.


    Dorothy Canfield

  • He remembered to be sorry for Biffy till the whistle blew for the Annapolis game.


    Dorothy Canfield

  • The next afternoon Neale was back on the Varsity and Biffy on the scrub.


    Dorothy Canfield

  • Biffy Lee, the head coach, suggested that we run through our signals.

    Football Days

    William H. Edwards