keef

/kif/
noun
  1. A slang term for a potent form of cannabis, especially the resinous powder collected from the leaves and flowers of the cannabis plant.
    • Some people sprinkle keef on top of a bowl of herbs to make it stronger.
    • The smell of keef filled the room as he ground the buds.
    • He carefully sifted the dried cannabis leaves to collect the keef.