miscopulate

To engage in coitus or sexual intercourse with the wrong person. More commonly used as "miscopulation"

"I went out with that blonde and now she won't leave me alone. That was some serious miscopulation there." or "Next time you miscopulate, don't come complaining to me!"

Miscopulating

• Accidentally banging your sister-in-law instead of your wife.
• If male is unconscious of the situation whereas female isn't, see manipulative sex.

- While Joe was miscopulating with Anne, Mary was already on her way to the gun store.