Is it a possible to stretch the male urethra enough have intercourse?

It's not usually desired or healthy to physically stretch the male urethra. The male urethra is a sensitive and delicate tube-like structure that passes urine and semen from the bladder to the outside of the body. It's usually not intended to accommodate intercourse or penetrate into someone. The urethra is distinct from the penis, which becomes erect and elongated for sexual intercourse.

Some individuals may consider urethral sex, but this is not recommended as a way to have intercourse or achieve sexual pleasure. It's not an expected or typical variation of sexual practices, and medical professionals generally advise against it due to the high risk of injury, discomfort, and potential complications.

If you're interested in exploring alternative forms of sexual pleasure, it's best to consult with a medical professional or knowledgeable resources on the subject to ensure safety, consent, and an enjoyable experience for all involved.