bury oneself in
bury oneself in something
1. Fig. to become very busy with something. She stopped taking phone calls and buried herself in her work. He tended to bury himself in his work.
2. Fig. to hide oneself some place. (Alludes to burying oneself in a cave or something similar.) He buried himself in the back of the little shop and worked quietly. The lizard buried itself in the sand.
See also: bury