Top definition
Abbreviation used on the internet and when texting.
It stands for Best Friends Since Kindergarten.
Going to see Dear John tonight with my BFSK!
by Dawn Leigh February 05, 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