dig yourself into a hole

US /dɪɡ jərˈsɛlf ˈɪntu ə hoʊl/
UK /dɪɡ jərˈsɛlf ˈɪntu ə hoʊl/
"dig yourself into a hole" picture
1.

to get into a difficult or unpleasant situation from which it is hard to escape

:
By lying to his boss, he just dug himself into a hole.
If you keep borrowing money, you'll dig yourself into a hole you can't get out of.