(nark can also be spelled narc or
narq)
1: To be a nark is to be someone that will report any misbehaving to a higher authority like the police, parents and teachers.
2: To nark, or to nark someone out is the action of reporting the misbehavior; also called
narking.
3: To be
narked is, obviously, the past tense of narking.
1: The other day I was taking some
snoops and that
nark ratted out on me!
2: I am so going to nark him for smoking that weed.
3: That bitch
narked me out the other day for smoking the weed!