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.

The generals ruled the conquered territories with iron fists, crushing any sign of rebellion.

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.

After the final exam, he walked out fist pumping, a grin plastered across his face.

After the final buzzer, the team erupted into fist pumps and hugs.

After the deal was closed, the two entrepreneurs fist bumped in the hallway.

After hearing the final whistle, she fist pumped and smiled at her teammates.