šmrkati

1. (with a runny nose) to sniffle
   Prestani da šmrkaš i uzmi maramicu! — Stop sniffling and take a tissue!
   Dete je celu noć šmrkalo zbog prehlade. — The child was sniffling all night because of a cold.
2. colloq. (of drugs) to snort
   Uhapšen je dok je šmrkao kokain u klubu. — He was arrested while snorting cocaine in a club.