Definitions for pub crawl
a tour of bars or public houses (usually taking one drink at each stop)
pub-crawl, bar hop(verb)
go from one pub to the next and get progressively more drunk
"he pub-crawled around Birmingham"
The visiting of a number of public houses in a single session
Origin: "crawl" comes from the fact that the participants are supposed to be unable to stand up straight by the end of the event.