I'll look you up when I'm in town

I'll look you up when I'm in town.

Fig. I will try to visit you or contact you the next time I am in town. Bill: I hope to see you again sometime. Mary: I'll look you up when I'm in town. Andrew: Good-bye, Fred. It's been nice talking to you. I'll look you up when I'm in town. Fred: See you around, dude.
See also: look, town, up