dig in

verb

1. military to create (a defensive position) by digging foxholes, trenches, etc
2. informal.
   to entrench (oneself) firmly
3. informal.
   intr to defend or maintain a position firmly, as in an argument
4. informal.
   intr to begin vigorously to eat

   don't wait, just dig in

5. dig one's heels in informal.
   to refuse stubbornly to move or be persuaded

Example Sentences

The dig-in-the-ribs and chuck-her-under-the-chin style is always effective.

From Project Gutenberg

Then Lovin Child was not drowned at all, but alive and needing dig-in-the-muds.

From Project Gutenberg