Green’s Dictionary of Slang

look-up n.

[backform. f. look up v.1 ]

a brief visit.

[UK]D.G. Rossetti letter 25 Nov. in Letters (1965) I 278: Hughes hearing this, in a fit of virtuous and friendly indignation, gave them a look up about it .
‘Jack the Ripper’ Aug. letter of ‘Jack Rippers of nobles’ addressed to ‘The Standard Studios’ in Evans & Skinner Jack the Ripper (2001) 277: I saw my photo a short time ago in the Police News you know Johnny Rippers will give you a call [...] as you have a lot in your district wants a look up yet.
[Aus]Baker Popular Dict. Aus. Sl.