Most amusing, sir.
4 seconds sound clip from the Coming to America (1988) movie soundboard.
You can hear this line at 00:04:42 in the Blu-ray version of the movie.
Quote context
[...]
- Good morning, your Highness. (3)
- Happy birthday, your Highness.
- Oha, it is my 21st birthday.
- Do you think, just once, I might use the bathroom by myself?
- The royal penis is clean, your Highness.
- His Highness must be very excited today.
- Today is your 21st birthday. It means you meet your wife-to-be.
[...]