"Bunkie"--the soldier who shares the shelter half or tent of a comrade in the field. A bunkie looks after his comrade's property in the event the latter is absent.
"Doughboy"--the infantryman.
"French leave"--unauthorized absence.
"Holy Joe"--the chaplain.
"K.O."--the commanding officer.
"On the carpet"--a call before the commanding officer for admonition.
"Q.M."--quartermaster.
"Rookie"--a new recruit.
"Sand rat"--a soldier on duty in the rifle pit during target practice.
"Top sergeant"--the first sergeant.