urethral sphincter (noun)

1. Why did the urethral sphincter become a stand-up comedian? Because it had a knack for telling pee-nominal jokes!

2. During the Renaissance period, the understanding of the urethral sphincter paved the way for advancements in urological treatments.

3. The urethral sphincter-inspired waist belt was the latest trend on the runway this season.

4. In the distant future, cyborgs will have advanced urethral sphincter technology that allows them to control urination at will.