Persian edit

Etymology edit

Possibly from foaming at mouth while one is experiencing a seizure or rage.

Verb edit

کف کردن (kaf kardan)

  1. to foam or froth
  2. (figurative, colloquial) to get amazed or stunned
  3. (figurative, colloquial) to get fed up
    دیگه کف کردم بس که خوندم!
    dige kaf kardam bas ke xundam!
    I'm fed up with studying!

Conjugation edit