because the butt is sometimes referred to as a moon
The Butt was created on 2008-04-07.
Butt-head was created in 1992.
Human Butt was created in 1989.
Butt Bridge was created in 1932.
Butt Rockin' was created in 1981.
Shakespeare My Butt was created in 1991.
Butt Out was created on 2003-12-03.
What What - In the Butt - was created on 2007-02-14.
The South Butt was created in 2007.
Boogie in Your Butt was created in 1982.
no