What are some fun/kinky things to do with your partner?

Butt slapping as hard as they can take and enjoy.

Golden shower

Take a sexy shower together. Soap makes pretty good anal lube and clean up is easy.

One of Pop’s Hottest Stars Posted a Risqué Album Cover. All Hell Broke Loose. - Slate Magazine

Fall asleep spooned up, coupled. Can you stay that way when you wake up?

TENS unit - electro shock

A sexy walk in the park at night, when nobody else is around

Sun unleashes monster solar storm: Rare G4 alert issued for earth - ScienceDaily

“Rescue” sex - partner lets go and is about to do something dangerous but hold them back at the last second. This takes trust.

Canibalism - eat a tiny piece of each other - typically a nip of you ass cheek. This may leave a small permanent mark, but it was in love.

Find porn or erotica that you both like.

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Pregnancy play. Ask a woman who's stopped menstruating but wishes she could have more kids whether she wants a boy or a girl just before cumming inside her.

Write your own sexy truth or dare card games.

Mood lighting. Try a sega Homestar planetarium projector

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Nude co-ed sauna. (Russian banya)

Prostate massage.

Sex in public

Do you think there will ever be peace in the Middle East as long as Israel exists?

Take a sensual shower together. Rub your soapy body all over theirs.

Candle wax play

Temporary body paint

What are "the new net zero jobs of tomorrow" that SNP's Stephen Flynn says his party would create?

Titty fuck

Long (hour or more) marathons

Couples massage at a spa

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Mutual massage which may or may not get erotic

Sex swing

Meet other couples through a Lifestyle website.

CIA chief told lawmakers Iran nuclear program set back years with strikes on metal conversion site - AP News

Scented massage oils

Play sexy truth or dare card games.

Sex with other couples (or at least near them)

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Try different sex positions - Read and go through the Kama Sutra.

Forced hydration. Drink water during sex until you lose bladder control.

Open her up with a speculum and see what's inside. Give her a mirror or take pictures for her.

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Snowball - cum inside her vagina, go down on her and suck it out, and then kiss her and shove your own spunk in her mouth.

Sex on a hard floor or rug rather than a soft bed

Outdoor sex under the real stars

Golden enema

Sex with good friends but not lovers. Keeping the balance is tricky.

Hair play. (Cowgirl, brushing her long hair over his skin and face)

Sex on the beach

Long distance hot video chat with mutual masturbation.

Hot tubs

Sex in a pool

Anal play

New lingerie

Induce squirting with the right techniques.

69

Sex on the dining room table

Sex club - watch, be watched or fully participate

Mutual masturbation

Short (5 minutes or less) quickies

Bite hard on a tough part of you partner's body, like their heel without breaking the skin. Endorphin rush

Food play (sploshing) - including washing her off in the kitchen sink.

Here is another list