PUT A LID ON IT
Credit: Dan Naddor - April 19, 2009
(Source unknown)

Each clue below can be answered with a familiar expression followed by TOP. For example, given the clue WINNER'S PRIZE IN A PROGRAMMING COMPETITION, the answer could be VICTORY LAPTOP.

1. Frijoles preparation area
2. Peak that reeks
3. Proof of evil purchases
4. Shirt needing a chemical rinse
5. Scott Joplin's convertible
6. Writing surface available only occasionally

Answers:

1. Bean countertop 
2. Foul tiptop
3. Pandora's boxtop
4. Septic tanktop
5. Maple Leaf Ragtop
6. Periodic tabletop