This is the 3382nd most frequent Polish word.
wybuchł
"Exploded" or "erupted."
The word 'wybuchł' refers to the act of the volcano violently erupting.
Wulkan nagle wybuchł, rozpraszając gorący popiół wszędzie.
The volcano suddenly erupted, scattering hot ash everywhere.
Here, 'wybuchł' is used metaphorically to describe the sudden appearance of strong emotions.
W czasie dyskusji wybuchł gniew, i niektórzy zaczęli krzyczeć.
During the discussion, anger erupted, and some people started shouting.
The term 'wybuchł' describes the sudden and loud start of laughter in this context.