Definition of "COF"

COF

noun
plural COFs
1. (music) Initialism of circle of fifths.
2. (music) Initialism of circle of fourths.
3. (physics) Initialism of coefficient of friction.
proper noun
1. Initialism of Cradle of Filth.
2. Initialism of Capital One Financial.
phrase
1. (prostitution slang) Initialism of cum on face.
  Quotations
  […] PSE (porn star experience) means you up the ante a bit in the bedroom with a bit of COF, Spanish, Tromboning, CIM, maybe even CIMWS (never my thing)—and for the really adventurous, Greek […]
  2017, Samantha X, Back on Top: Confessions of a High-Class Escort‎, Hachette