ćorsokak

1. (of a street) dead end; cul-de-sac
   Ne skreći levo, to je ćorsokak. — Don't turn left, it's a dead end.
2. deadlock; impasse
   Pregovori su zapali u ćorsokak. — The negotiations have reached a deadlock.
   Osećam da mi je karijera u ćorsokaku. — I feel my career is at a dead end.

Figuratively it often occurs in zapasti u ćorsokak, doći u ćorsokak, or biti u ćorsokaku.