krš

1. colloq. (of a thing, a car) junk; wreck; piece of junk
   Ovaj auto je običan krš, stalno se kvari. — This car is a piece of junk, it keeps breaking down.
   Telefon mu je pao i sad je krš. — He dropped his phone and now it's wrecked.
2. colloq. (of a person) wreck
   Posle noćne smene sam totalni krš. — After the night shift I'm a total wreck.
3. karst; rocky terrain
   Veliki deo Crne Gore je krš. — Much of Montenegro is karst.
   Kroz krš se teško probija put. — It's hard to build a road through rocky terrain.
4. colloq. rubble; debris; mess
   Posle žurke je u stanu ostao pravi krš. — After the party the flat was a real mess.

In everyday speech it mostly means "junk, wreck"; "karst" is the geographical sense.