ubadati

1. (of insects, thorns) to sting; to bite; to prick
   Komarci me ubadaju cele noći. — Mosquitoes keep biting me all night.
   Pazi, ruže ubadaju. — Careful, roses prick.
2. (with se) to prick oneself
   Stalno se ubadam iglom kad šijem. — I keep pricking myself with the needle when I sew.
3. (with a sharp object) to pierce; to stick into
   Ubadam krompir viljuškom da proverim da li je kuvan. — I'm pricking the potatoes with a fork to check whether they're cooked.
4. (of pain) to give a stabbing pain
   Ubada me u grudima kad duboko udahnem. — I get a stabbing pain in my chest when I breathe deeply.
5. (with a knife, of an attack) to stab
   Napadač je više puta ubadao žrtvu nožem. — The attacker stabbed the victim with a knife several times.

The perfective is "ubosti"; for pain the verb is used impersonally: "ubada me u…".