a literary and artistic movement in Germany in the late 18th century, influenced by Jean-Jacques Rousseau and characterized by the expression of emotional unrest and a rejection of neoclassical literary norms.
turbulent emotion or stress:that casual morning meeting dragged into a brawling afternoon of Sturm und Drang
Origin:
German, literally 'storm and stress'
Sturm und Drang in other Oxford dictionaries
Definition of Sturm und Drang in the US English dictionary