We use this expression to say that we are keen on something.
You can use this phrase in ………… language.
Spoken
Informal
Example 1
A: I want to go to that new Hungarian restaurant. What do you think?
B: Yes, I’m up for it. I love spicy food!
Example 2
A: Why don’t we go to Milan for the weekend?
B: I’m up for it. I love shopping in Milan.