checkup from the neck up

albatross around one's neck

A characteristic, possession, associate, or previous deed that hinders one's ability to succeed.

albatross round one's neck

Alternative form of albatross around one's neck.

brass neck

Gall, shamelessness, cheek.

break one's neck

To make extraordinary efforts to achieve an end; to exert oneself in pursuit of a goal.

breathe down someone's neck

To follow or supervise someone too closely, causing discomfort for that person.

fall on someone's neck

To embrace someone affectionately or thankfully.

Gregory

[Cockney slang]neck, or cheque

via Gregory Peck

neck and neck

Very close in progress, as in a race or a contest.