i prefer a hot water bottle
A hot water bottle is when you use your penis as a hot water bottle and then you pee in someone else’s butt to make it feel even warmer.
I used my penis as a hot water bottle and peed in my brother’s butt. He called it a hot water bottle moment.
I put my penis in my friend’s butt and then I peed in it like it was a hot water bottle.
I used my penis as a hot water bottle and peed in my dog’s butt. He looked confused.