to be full of energy and enthusiasm.

It's been a long drive but give me a cup of tea and I'll soon feel fresh as a daisy.

• do without someone
• do without something
• down-and-dirty
• down and out
• down-and-out
• down-at-heel
• down-home
• down in the dumps
• down memory lane
• down on
• down on luck
• down on someone
• down on something
• down on your luck
• down the drain
• Down the hatch!
• down the line
• down the pike
• down the road
• down the toilet
• down the tube
• down the tubes
• down-to-earth
• down tools
• down to the wire