Possible Clues:

• Having long spell of good luck
• Where one lists people enjoying lots of success
• Doing well in Vegas
• Going through a good patch
• Really cooking
• Seemingly unstoppable
• Where I might put butter, having great success
• Where blackberry jam, for example, may be spread in a purple patch?
• Enjoying continued success with the vote?
• Place to put butter that's currently jammy