Top definition
abbreviation of "you fool, you bloody fool" an expression, most commonly used in Canada and the UK, to communicate strong contempt, sometimes delivered tongue in cheek
You can't get a suntan sitting behind a window, YFYBF.
by mijopo May 14, 2010
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug