Green’s Dictionary of Slang

traitor’s head n.

[rhy. sl.]

a bed.

Eve. Teleg. (Dundee, Scot.) 3 Aug. 4/1: So he goes back to his ‘Charlie Wiggins’ (diggings), winds up his ‘three of Scotch’ and after blowing the ‘Harry Randle’ out, he jumps into ‘traitor’s head’ and is soon ‘bo-peep’.