Adjutant : nm Non-commissioned officer of the land and air armies who, in the hierarchy of ranks, comes above the master sergeant.
Dip a warrant officer: dip a piece of bread in the first broth, the one that contains the most fat. The warrant officers are the ones that the canteens have, for various reasons, the most interest in satisfying. So they reserve the best pieces for them. Is it not in this connection that we must seek the origin of this expression?