Don't get me wrong, I like to stroke myself off in a woman's face from time to time.
I thought you said he bought the domain name? That said, it's probably easier just to change the name and not pay a load of legal fees for the use of a word.
If you are looking for a sea of sperm and a lot of genuine orgasms, then these videos are for you.
I don't know when the copyright conservation took place but I got one for you.
So changing it made more sense I guess.
A word can't be trademarked if it isn't part of a logo or anything along those lines.