Possible Clues:

• Subsided or decreased like storm
• With a degree a boy is not so great
• Not up yet, embracing a model that's gone down
• Lowered, like a sailor given the wrong date?
• Having got his degree, Edward slacked off
• After getting a degree the boy calmed down
• Went down in a cot, holding a thumb at first
• A degree in a date that got less
• One way to make bad tea and have made less of it
• Went down and calmed like stormed