dig (oneself) in(to) a hole

To get oneself into a difficult, undesirable, or disadvantageous position. Boy, I really dug myself into a hole by procrastinating on this paper until the last minute. My little brother always manages to dig himself into a hole with the police, and then I've got to go bail him out! We made a few bad investments last year and dug ourselves into quite a financial hole.

dig yourself into a hole

If someone digs themselves into a hole, they get themselves into a difficult or embarrassing situation. By continuing to lie, he was digging himself into a hole.

dig yourself into a hole (or dig a hole for yourself)

get yourself into an awkward or restrictive situation.