I'm up to my ear in work.
= I am very busy!
Are you on a loose end this evening?
= Are you free this evening?
I've already got enough on my plate!
= I have enough work to do!
I can fit you in on Monday.
= I can be instead of you on Monday.
I'm tied up till after lunch.
= I am terribly busy till after lunch.
Before leaving, I have to clock out.
it is clear!
4 days ago