The composer wrote several unexpected F♭s into the score to create a darker harmonic color.

The squadron carried out multiple precision F-strikes to disable the enemy air defenses.

When the notification about the server crash popped up, everyone in the chat started to press F to pay respects, half-joking and half-serious.

She was f double number sign k tired after the overnight flight.

She sent me a message that simply said f double number sign k, clearly intending to avoid the profanity filter.

He f double number sign ks things up so often that nobody trusts him with important tasks.

I walked past the park and saw them f double number sign king behind the bushes.

I realized I had fewer f double number sign ks to give than I thought, so I walked away.

The technicians f double number sign ked up the server logs, which delayed the investigation.

f double number sign k! I spilled coffee all over my laptop.