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

1. Mind someone else's business
2. Blockheads
3. 50's fad item
4. Fowl enclosure
5. Aft area on ships
6. Iconic girly-girl animated cartoon character
7. Soldiers
8. Exciting basketball play
9. Downtown Chicago
10. TV flub
11. Newspaper story published before a competitor's
12. Childhood bacterial infection

Answers:

1. Snoop
2. Nincompoops
3. Hula-Hoop
4. Chicken coop
5. Poop deck
6. Betty Boop
7. Troops
8. Alley-oop
9. The Loop
10. Blooper
11. Scoop
12. Whooping cough 

Credit: Boston Globe Crossword
Emily Cox and Henry Rathvon
OOPS