Green’s Dictionary of Slang

hang about! excl.

wait a minute! don’t go!

[UK]A. Bleasdale Who’s Been Sleeping in my Bed 50: ’Ey, hang about [...] Where y’takin’ me?
[UK](con. 1950s–60s) in G. Tremlett Little Legs 97: I’ll sort this punk out [...] Hang about.
[UK]P. Theroux Kowloon Tong 203: Hang about. It was all a fluke.
[UK]K. Waterhouse Soho 200: In that case he’s double barred. No, hang about – it’s Jamesy, isn’t?