Dinner With Parents

I thought of having a threesome, but then I realized that if I wanted to disappoint two people at one time I might as well have dinner with my parents.

Parent
Threesome
Sex
People
Time
Family

Explanation

The joke plays on the idea that the speaker's parents are easily disappointed, comparing the likely disappointment of a threesome to the inevitable disappointment of a dinner with their parents. It's a bit self-deprecating and relatable for people who've had similar experiences.