out·burst 
/ˈaʊtˌbɚst/ noun
plural out·bursts /ˈaʊtˌbɚst/ noun [count] 1 : a sudden expression of strong feeling
▪ an outburst of anger/kindness ▪ He later apologized for his outburst (of anger). ▪ an angry outburst 2 : a sudden increase in activity
▪ an outburst of violence/creativity/rumors
▪ an outburst of anger/kindness ▪ He later apologized for his outburst (of anger). ▪ an angry outburst
▪ an outburst of violence/creativity/rumors
