mooch

US /muːtʃ/
UK /muːtʃ/
1.

đi lang thang

to walk or do things slowly and without much purpose:

:
Stop mooching around in your room and do something useful!
1.

đi lang thang

a period of time spent walking around slowly and without much purpose:

:
I'm going for a mooch round the shops (= to look at what is there, not to buy a particular thing).