Many parts of the body can be used as verbs in either a physical or a metaphorical sense.

You can head a company, but if things go wrong you’ll have to shoulder the blame, or face your investors.

So keep your head while speaking.

Shoulder responsibility and maintain a smiling face.

A good leader backs his employees, but if you don’t toe the line you might get skinned.

Never go back on your word as a boss or a leader – fulfill promises.
if someone dies not tie your line just don’t crush it.

skinning alive is a cannibals trait not a right thinking convincing persuasive person.

Did you muscle your way into that job?

Using muscle is not persuasion it is dominance and manipulation.

You might eye someone suspiciously,

But give a sympathetic look when persuading.

or wait for the police to finger a suspect.

Never finger people as three fingers will point at you.

But if you need to get out of town, try thumbing a ride.

giving and taking lift is not bad. if your thumbing is not persuasive, you won’t get a lift

You can ride with me if you can stomach the thought.

empathise. people may not be ready to digest what you say.

I don’t always sing along to the radio, but you might see me mouthing the words.