up to his ears in trouble

If someone says he is up to his ears in trouble it means he is in so much trouble he cant even see you or anyone else or even a way to get out of it. Usually instead of being in trouble, this phrase in pertaining more to having so much work to get done he cant really see anyone or focus on anything else. It can also be more literal where the person is in trouble with someone and therefore does not see a way out.