Why are all of these grown a** men and women calling themselves "Lil"?

Even Bow Wow stopped calling himself this... Let's take a look at how many grown a** men and women are calling themselves "Lil"....

Lil Dap
Lil Fame
Lil Puppet
Lil Rob
Lil Thug
Lil' 1/2 Dead
Lil' Boosie
Lil' Cease
Lil' Flip
Lil' Jon
Lil' Kim
Lil' Scrappy
Lil' Wyte
Lil-redd
Lil1/2Dead
Little Daddy Shane
Little Indian


And no, I didn't forget Lil' Mama. She is still a child.