cop out

To avoid or shirk, either by failing to perform, or by performing in a grossly insufficient, negligent, or superficial manner.

To plead guilty and ask for mercy.

To blame; to assign blame to; to get into trouble.

To remove from a situation or crowd, such as for arrest or punishment.

To leave a gang.

To abandon, let down or betray (someone).

To win (someone) over; to get on (someone's) good side.