What you do with a buddy or a group of friends. Involves going from one bar to the next, possibly picking up women or getting into bar fights. Also can be a new experience from bar to bar. Bar Hopping tends to cause participants to become heavily intoxicated, though not always.
"Hey man, let's go bar hopping tonight!"
"Sorry dude, I still have a black eye from the bar fight last night."
"Well how about we pick up some girls?"
"Sure, let's go."