Green’s Dictionary of Slang

1. (Anglo-Irish) an appointment, a rendezvous [Partridge suggests the bow one gives when one meets].

1984

Partridge DSUE (8th edn) 69/2: Anglo-Irish: C.20.

2. a tip-off, information; as in phr. give the bend.

1953

B. Behan Scarperer (1966) 62: I know who gave yous the bend, but if he shopped me I can double-shop him.