Wiktionary
bootneck
n. (context UK slang military English) A member of the (w: Royal Marines).
Usage examples of "bootneck".
Wandering up the road toward the guardroom would be one of the garrison personnel, like an Ordnance Corps bloke or a Royal Electrical and Mechanical Engineers fitter, hand in hand with some hooker, and the two hundred bootnecks would run past and give their marks out of ten.