Santa Claus' scientific way to say Ho Ho Ho. Abbreviation for three atoms of holmium can be written as Ho³ or Holmium cubed.
Santa Claus to the chemistry students: Holmium Holmium Holmium Merry Christmas!
The very first porn website created when the Internet was invented. Kids who use the Internet for the first time can easily type the first three letter word, sex and then .com and that would be their first exposure to porn.
I went to sex.com when I was a kid back in the 90's, but the computer hung up and crashed!
or
Sex.com was the first porn website I went to when I was a kid!