up to your ears
up to your ears
If you are up to your ears in work or in an unpleasant situation, you are very busy with it or are deeply involved in it. I can't come out this evening — I'm up to my ears in reports. Trimarco's campaign director was said to be up to his ears in dirty business deals.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012