In Colombia Krack or Krak is a kind of gang ( not of criminals or bandits ) or very close friends group. Patch, combo, gallada. It is also the name of a very potent hallucinogenic drug. Onomatopoeia for something when part ( CRAC ).
Krack is incorrectly written, and should be written as "crak" being its meaning: English a Word's meaning is to call someone that stands out and his talent