"A hard Hobbit to break"
"You're getting to be a Hobbit with me"
Hmm, that's about it.
Otherwise, anything goes.
Let the fur fly.
This film was "hobbit-able"... [Elmer Fudd-voice] heh, heh, heh.
Also: Change of hobbit.
"Hobbit forming" will be hard to resist--especially for all those critics who love to be quoted.