noun. a sheep pen. a coil or noose (of rope) verb (transitive)

Is Fank a real word?

A pen for enclosing sheep.

What does Fanked mean?

verb [ T ] /fræŋk/ us. /fræŋk/ to print a mark on a stamp so that the stamp cannot be used again, or to print a mark on an envelope to show that the cost of sending it has been paid.