thunderation

noun

1. the sound that follows a flash of lightning, caused by the sudden heating and expansion of air by electrical discharge
2. any loud, rumbling sound like this
3. a threatening, menacing, or extremely vehement utterance
4. Archaic a thunderbolt

intransitive verb

1. to produce thunder: usually in the impersonal construction [it is thundering]
2. to make, or move with, a sound like thunder
3. to make vehement speeches, denunciations, etc.

transitive verb

1. to say in a thundering voice
2. to strike, drive, etc. with the sound or violence of thunder