Both Uses

fulminate
in
Into the Wild
(Auto-generated)

This correspondence, as one might expect, reflected sharply divergent points of view: Some readers admired the boy immensely for his courage and noble ideals; others fulminated that he was a reckless idiot, a wacko, a narcissist who perished out of arrogance and stupidity, and was undeserving of the considerable media attention he received.†
p. iii.7
Not infrequently during their visits, Franz recalls, McCandless's face would darken with anger and he'd fulminate about his parents or politicians or the endemic idiocy of mainstream American life.†
p. 52.6 *

Definitions:

(1) (fulminate as in: fulminate against the plan)
to criticize severely
(2) (fulminate as in: the nitroglycerin fulminated)
to explode, cause to explode, or an explosive chemical
(3) (meaning too rare to warrant focus)
Fulminate can be sued to describe a disease that comes on suddenly and intensely.