ringbarked, adj. — Green’s Dictionary of Slang

ringbarked adj.

[SE ringbark, to kill a tree by removing a ring of bark from the trunk]

1. (N.Z.) circumcised.

1987		R. Norgrove Shoestring Sailors 138: ‘Of course skinboys pick it up quicker than those who have been ringbarked.’ ‘Ringbarked?’ ‘Circumcised.’ [DNZE].
2003		McGill Reed Dict. of N.Z. Sl. 173: ringbark 1. To circumcise.

2. worn out.

2003

McGill Reed Dict. of N.Z. Sl. 173: A worn-out person is ringbarked.