nukedasu
1.

To quietly leave a confined or enclosed space, often without attracting attention, such as slipping out of a classroom or bed.

2.

To escape from an undesirable situation or condition, indicating a sense of liberation or relief from hardship.

3.

To begin to fall out or detach, usually referring to hair or other similar materials.

4.

To move from a restrictive or stagnant state towards a more dynamic or promising situation, suggesting an evolution or improvement in circumstances.

Example:

あ、みんなには内緒だよ?寮を夜中に抜け出すのは厳罰だからね?