order of battle O.O.B.

"You'll piss blood for England. It'll be worse for you. With no Greek. And you'll drink. Everyone does. You have to." He talked about retsina and aretsinato, raki and ouzo — and then about women. "The girls in Athens are strictly O.O.B. Unless you want the pox."

這 OOB可能是

order of battle
軍中 slang 可能是"禁臠"

An order of battle (often abbreviated as ORBAT, OOB, O/B, or OB) is an organizational tool used by military intelligence to list and analyze enemy military units. The term is also used by historians and war gamers to list the organization and unit structure of both sides in a battle.