Fulmination

[Couch Potatoe]

The act of thundering forth threats or censures, as
with authority.

[Julene]

strong criticism or protest:

[Zipporah Schumaker]

An expression of vehement protest.

[Jason Yan]

thunderous verbal attack

[AterasDema 0]

That which is fulminated or thundered forth; vehement menace or censure.

[Williebit]

Fulmination refers to a strong verbal expression of vehement protest, disapproval or criticism. It can also refer to a sudden explosion or violent expression of energy or occurrence. In chemistry, it refers to the sudden and violent detonation of certain substances or mixtures.