barhopper

From bar +‎ hopper.

barhopper (plural barhoppers)

1. Someone who engages in barhopping.
   • 1988 August 5, Lynda Gorov, “Nasty boys: Clifton-Belmont neighbors want their block back”, in Chicago Reader‎^[1]:

     They water their patch lawns and struggle to pick up the garbage left by Belmont Avenue barhoppers.