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.
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.dig yourself (into) a ˈhole
get yourself into a bad situation that it will be very difficult to get out of: When I started lying to him, I realized that I was digging myself into a hole which would be very difficult to get out of.