(in) up to (one's) elbows(redirected from in up to his elbows)
(in) up to (one's) elbows
Extremely busy; deeply involved or engrossed (in or with something). I'd love to come for a pint, but I'm in up to my elbows with work for my class on Monday. John has been up to his elbows with the kids lately. Jenna is up to her elbows in research right now, so she won't be coming to lunch with us.
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.