Word Study
up on |
up quark |
up the stairs |
up to |
up to her neck |
up to his neck
| up to my neck
| up to now
| up to our necks
| up to their necks
| up to your neck
up to his neck
WORDNET DICTIONARY
Adjective up to his neck has 1 sense
- up to his neck(s = adj.all) neck-deep, up to her neck, up to my neck, up to our necks, up to their necks, up to your neck - deeply involved; "neck-deep in work"; "up to their necks in debt"
For further exploring for "up to his neck" in Webster Dictionary Online