prasnuti

1. (u smeh, u plač) to burst out laughing; to burst into tears
   Kad je čula vic, prasnula je u smeh. — When she heard the joke, she burst out laughing.
   Dete je odjednom prasnulo u plač. — The child suddenly burst into tears.
2. to burst; to go bang
   Na autoputu nam je prasnula guma. — We had a tire burst on the highway.
   Negde u daljini prasnuo je pucanj. — A shot rang out somewhere in the distance.
3. (na koga) to snap; to blow up
   Šef je prasnuo na nas bez razloga. — The boss snapped at us for no reason.

Most often used in prasnuti u smeh and prasnuti u plač.