Leatherneck in a sentence as a noun

One of his good buddies was there, a similarly seasoned leatherneck, let's call him Tom. I have a habit of addressing people I don't know well with 'mister'. This time he asked me to call him 'Tom', with the explanation that 'you're probably more grown up than I am, anyway'.

Leatherneck definitions

noun

a member of the United States Marine Corps

See also: Marine