Dirty story prompts, sorted by situation

Every setup here is about adults, clean on the surface and cheeky underneath. Change the names and let the questions decide how far the joke goes.

Next-door trouble

The new neighbor borrows sugar every evening, and she is starting to suspect he has never baked anything in his life.
Two neighbors keep receiving each other's very embarrassing parcels.
A noise complaint about loud music turns into a nightly negotiation on the landing.
Her neighbor waters her plants while she's away and leaves increasingly personal notes about her bookshelf.
The rooftop hot tub has a sign-up sheet, and the same two names keep landing in the same slot.
A man locks himself out on the balcony in a bathrobe, and the only person who can help is the woman he argued with at the residents' meeting.

Two pub quiz captains have a running bet where the loser buys dinner, and both of them keep losing on purpose.
Two farmers' market stallholders, one selling honey and one selling hot sauce, keep stealing each other's customers with free samples.
Two dog walkers fight over the same park bench every morning, and the dogs have already made friends.
Rival karaoke regulars keep choosing duets just to prove a point.
The two most competitive members of a climbing gym keep racing to the top and arguing about who won.
Two guests at a garden party compete over who can get the grumpy host to smile first.

An office-wide email meant for one person goes to everyone, and it was not about the quarterly report.
A tech support call about a frozen screen lasts three hours, and nobody mentions the screen after the first ten minutes.
Two coworkers sent to the same conference find the hotel has booked them into the honeymoon suite by mistake.
A new hire mistakes the CEO for the window cleaner and spends a week flirting with him.
The office gift exchange pairs two people who are very busy pretending not to like each other.
A temp at a law firm answers the phone in a voice that makes the senior partner forget why he called.

A couples' resort has one single guest who booked by accident and refuses to leave.
Two strangers end up on the same tandem bike tour by mistake and have to pedal in sync for a week.
Two guests at a spa retreat keep getting each other's bookings, including the couples' mud bath.
A tour guide's commentary gets more suggestive every time one particular tourist laughs.
Two travelers swap suitcases at the airport and spend a week wearing each other's clothes until they can trade back.
A wine-tasting tour turns into a contest over who can describe the merlot most suggestively.

A couples' baking contest has one pair who cannot stop flirting over the piping bag.
A salsa class is one dancer short, so the instructor partners with the most nervous beginner.
A village gardening club's prize-winning cucumber becomes the subject of a very heated debate.
Two people in a perfume-making workshop keep describing each other's scents a little too enthusiastically.
A knitting circle's newest member is a burly firefighter who is extremely good at it.
Two dedicated birdwatchers keep spotting each other instead of the birds.

A blind date turns out to be with the man she gave a parking ticket to that morning.
Two people on separate disastrous first dates at the same restaurant start rating them for each other by text.
At a speed-dating night, the host keeps forgetting to ring the bell whenever one particular guest sits at his table.
A sommelier and a man who only drinks beer go on a date at her wine bar.
A dating app matches two people who already know each other far too well, and neither will admit to swiping right.
A fake date to a work party gets real when the coat check loses both their coats.