Possible Clues:

• Stock this behind the barrel
• Describing a delivery in which the baby is inverted
• See rook in a tree from seat
• Begun to make a cheer at last
• The sound of a crack, but not in the barrel of the gun
• For one gun or one leg, perhaps
• Behind with the delivery
• Part of firearm - type of birth
• One's behind bore having noisy disagreement
• Begun to have one for the sound of the break