[2] 'In the rattle' = in trouble.
[3] O.D. = the slang term for 'ordinary seaman.' 'O.S.' is one official naval contraction, and 'Ord.' another. 'O.D.' is derived from the latter, in the same way as an able seaman is known as an 'A.B.'
[4] The term 'matlo,' derived from the French for 'sailor,' is always used by bluejackets in referring to themselves.
[5] E.R.A. = engine-room artificer.
[6] A 'killick' is an anchor, which is the badge worn by a leading seaman. 'Dipping the killick' means that the badge is removed, and that its wearer has been disrated to A.B.
[7] 'Pompey' is the naval slang term for Portsmouth.
[8] Men serving in destroyers receive sixpence a day extra pay. It is known as 'hard-lying money.'
[9] K.H.B. = King's hard bargain, a term used in connection with a man who is an undesirable character.
[10] The commanding officer of a man-of-war is frequently referred to as 'the owner,' or 'the old man.'
[11] Weighed anchor.