Klingon for 'success'.
What Klingons wish each other before battle or other critical situations. As
a) Klingons are always before battle and
b) Klingon has no words for 'Hi, have a nice day' q'apla is also used as a normal greeting.
None. Q'apla. is always used in a one word sentnece only (and usually shouted).
Warrior A: Q'apla!
Warrior B: Q'apla!
Warrior C-Z: Q'apla!