krvopija

1. colloq. derog. bloodsucker; exploiter
   Taj gazda je pravi krvopija, nikad ne plaća na vreme. — That boss is a real bloodsucker, he never pays on time.
2. vampire
   U filmu krvopija napada ljude samo noću. — In the film the vampire attacks people only at night.

Both masculine and feminine agreement are possible, including when referring to a man: taj krvopija / ta krvopija; in the plural, feminine agreement is usual: te krvopije.