estalar
es.ta.lar
[estal′ar]
vtd+vint
1 to crack, split, break into pieces: ele estalou os dedos / he cracked his fingers.
2 to crackle, crepitate, pop.
3 to burst, explode.
4 to snap (as with a whip).Expressõesestalar um chicote to snap a whip, crack a whip.
sentir a cabeça estalar to have a terrible headache.