verb. (old).1. See quot. 1819.GROSE (1823); BEE (1823).
1819. J. H. VAUX, Memoirs, I., 191, s.v. NASH, to go away from, or quit, any place or company; speaking of a person who is gone, they say, he is NASHD, or MR. NASH is concerned.
2. (old).To throw away: e.g., NASH your leading-strings = throw off all restraint.