What does 'get up to much' mean?
A friend of mine texted me; "are you getting up to much today?"
well i don't understand the 'get up to much' part
so how should i reply?

Question

What does 'get up to much' mean?
A friend of mine texted me; "are you getting up to much today?"
well i don't understand the 'get up to much' part
so how should i reply?

Answer

or even simpler
"what are you up to?"

Answer

most people would say "what are you getting up to?"
or "what are you doing"

Answer

What did you get up to yesterday? = What did you do?
I didn't get up to much. = I didn't do much.