yes it does
Perplexed by many conflicting situations or statements; filled with bewilderment (Ibra)
It is actually said as 'are you up for it?' and it means so do you want to or not? like in harry potter and the scorcerers stone. Draco says so are you up for it to harry when he is challenged to a...
well when people say that they mean what's uhp what are you doing now up to is the meaning of what going on