"Jewish Gnome" A.K.A Mac Miller's alter ego.
Or
A Jew that behaves like a Gnome. Tends gardens, uses rakes and picks...not to mention hoes. Many many garden hoes for this gnome...
"Hey, by the way have you ever been Jewish gnomed??" Is a very common way of using the term "Jewish Gnome"+
Gnomes that got gassed in 1940's
If you are short you are probably a jewish gnome
If you are called blake you are also probably a jewish gnome