What does hang out mean? Is it a phrasal verb?

[Yulona]

English Grammar Tests, Elementary Level

ESL/EFL Test #106 "Beginner Grammar Questions Test (1)", question 6

Let's hang out later tonight. ......... want to come over after work?

(a) You will
(b) Do you
(c) Does you

English Grammar Tests, Elementary Level

ESL/EFL Test #106 "Beginner Grammar Questions Test (1)", answer 6

Let's hang out later tonight. Do you want to come over after work?

Correct answer: (b) Do you
_________________________

what do you mean with hang out?

Yulona

[Conchita]

hang out phrasal verb INFORMAL

to spend a lot of time in a place or with someone:

You still hang out at the pool hall?
I've been hanging out backstage with the band.

(from Cambridge Advanced Learner's Dictionary)