1. involved in something that is too difficult for you to deal with
I'm in way over my head with that situation
This idiom alludes to being submerged over your head in deep water and means to be deeply involved in a difficult situation which you lack the skills, knowledge, or resources to be able to cope with or escape from. When you are 'in way over your head' you need help in order to get out of a difficult situation. The phrase can be shortened to ' be in over your head' and is an idiomatic expression common in both a social and professional context. Phrases with a similar meaning include 'out of one's depth' and 'out of one's league.'