On Saturday, February 16, 2019 at 12:39:34 PM UTC-8, Gunner Asch wrote:
On Sat, 16 Feb 2019 14:13:26 -0600, Terry Coombs
wrote:

Osage orange aka bodock , bois d'arc , and probably a couple more names
I can't remember .

Where can I find a decent chunk of this..round..or big enough to turn
round?

And, you'll also want an atlatl, probably lighter wood with a fork or knot in it.
You'll have to carve it from a green limb.