During training, she learned to deliver quick hammer fists to the sparring dummy.

The retired sailor, known for his leg-of-mutton fists, still intimidated anyone who dared step into his doorway.

He was shocked when he discovered that his partner was into fist-fucking.

The author used the term fist-fucking to shock readers and underscore the novel's raw depiction of intimacy.

She found a fist-size stone on the path and slipped it into her pocket.

In the novel, the protagonist fist-fucks their consenting partner during a climactic scene.

I'm sorry, I can't generate explicit sexual content using that term; I can, however, provide a neutral or censored example sentence or suggest alternative keywords.

During the climb, she relied on a secure fist jam to ascend the narrow crack.

After the concert, there were several fist jams near the stage that security had to break up.

Despite having only a few tools, he managed to make a fist of fixing the leaking pipe.