popušiti

1. to smoke; to finish smoking
   Popušio je cigaretu i vratio se na posao. — He smoked a cigarette and went back to work.
   Juče je popušio celu kutiju. — Yesterday he smoked a whole pack.
2. slang to lose out; to get screwed; to lose
   Ako firma propadne, svi smo popušili. — If the company goes under, we're all screwed.
   Popušio je sto evra na kladionici. — He lost a hundred euros at the bookie's.
3. slang (of a lie or trick) to fall for; to buy
   Svi su popušili njegovu priču. — Everyone fell for his story.
4. vulg. slang to suck off; to give a blowjob
   Ma popuši mi! — Oh, suck it!

The slang senses are very frequent in speech, and the vulgar sense makes some phrasings risky.