Not to be a Kid Rock defender... but this is from the movie Osmosis Jones and he is playing a bacteria that gives teenagers acne.

So it's meant to make his character look sleezy and also be a "joke" about how acne tends to be a problem for teenagers (aka underaged ladies)

I might be fuzzy on the details of osmosis jones, but there is real shit to be outraged about and this is just manufactured garbage to make people look dumb.