The answers to the clues below will have something in common.

1. Clumsy party goer
2. Clumsy home run
3. Clumsy footwear
4. Clumsy bar item
5. Clumsy diver
6. Clumsy harvest

Answers:

1. Gate crasher
2. Round tripper
3. Bedroom slippers
4. Glass tumbler
5. Belly flopper
6. Bumper crop

Credit: 
Patrick Merrell (#1-4)