Bonk (verb)

1. To hit or strike someone or something forcefully.
2. To have sexual intercourse.

Origin:

The origin of the word bonk is uncertain, but it is thought to have originated in the mid 20th century as a slang term that means to hit or strike someone or something forcefully.

Examples:

1. He bonked her on the head with a book.
2. She bonked the ball over the fence.
3. He bonked her with a pillow.
4. They bonked all night long.
5. They bonked in the backseat of the car.