adverb, noun or participle which takes 'suru'
Describes a manner of speaking or behaving that is prickly, cutting, or barbed, like thorns. Often used with verbs like 言う or する.
彼はとげとげした口調で返事をした。
He replied in a sharp, prickly tone.
そんなにとげとげ言わ
You don't have to say it so harshly.