stop press

a short drop and a sudden stop

A fall to one's death by hanging.

couldn't stop a pig in a passage

To be bow-legged.

face that would stop a clock

A shockingly unattractive face.

press into service

To make someone perform a task or duty, especially one they are not prepared or willing to do; to make something serve a function, especially one it was not designed or intended for.

press on

To persist, to continue to advance.

press the flesh

To shake hands and socialize, especially in a political gathering.

press the panic button

To start to panic.

put a stop to

To terminate or abolish something.