the meaning of "go stepping"

[lost_soul]

Hi,
I dont get the several expressions in bold, could you help me understand them, please? For your information:he is a plumer, she is one of his clients

[Mister Micawber]

.
1-- Yes, go dancing.
2-- He winked at her. He hoped it made him look sophisticated (worldly wise), but it only succeeded in (made it to) making him look slightly more than stupid (informed vacuity).
_________________
Canadian-American native speaker
who teaches English for a living at Mister Micawber's
ESL cafe: Interview with Mr. Micawber

[lost_soul]

Hi, Mister Micawber

Now I comprehend everything. Thank you very much !!!
_________________
Alex

A native speaker of Russian