Translation guide
The activity of visiting multiple bars in one evening, often with friends. In Japanese, this is commonly expressed with the phrase はしご酒 (hashigozake), literally 'ladder drinking', or more generally as 飲み歩き (nomiaruki), 'drinking while walking around'. The concept is well understood in Japanese drinking culture.
I went barhopping in Shibuya.
To describe the activity of moving from bar to bar, drinking at each.
The most common and idiomatic way to say 'barhopping'. Literally 'ladder drinking', implying climbing from one bar to the next.
Let's go barhopping tonight.
He goes barhopping every weekend.
A more general term for going from place to place to drink, not limited to bars. Can include izakayas, standing bars, etc.
We enjoyed barhopping in Shinjuku.
Literally 'bar tour', a straightforward way to say visiting multiple bars. Slightly less idiomatic than はしご酒 but easily understood.
I went barhopping with friends on the weekend.
Verb form meaning 'to barhop'. Can be used casually, but はしご酒 is more common as a noun.
I barhopped three places yesterday.
はしご酒 is a noun and often used with する (to do). It's perfectly natural in conversation. You can specify the number of places with counters like 一軒 (いっけん), 二軒 (にけん), etc.
We barhopped three places.