What is "sledgehammered"

Usage examples of "sledgehammered".

The new boy at the Scrubba- Dubba would straighten from the headlights he had been soaping, the sponge glove still on his hand, looking north as that huge and portentous sound sledgehammered its way into the thin copper routine of the day: WHAMM!

Looking around, I saw Timothy Njeri unconscious on the floor beside my teakettle—he was still in his skivvies, while I was buck naked—and Daniel Eunoto slumped in a corner sleeping the sleep of the sledgehammered.

And as if his balls hadn't quite been sledgehammered enough, Catherine had fucked off in the middle of his big speech to go to the bastard's room!

But there were limits to all things, including the toughness of superdreadnoughts, and he watched the damage report sidebars flicker and change as incoming missiles sledgehammered his own SD(P)s again and again and again.