NY Times Crossword
March 11, 2013
Robert Fisher

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

1. Prankish activity
2. Slow economic growth and high prices
3. In your birthday suit
4. Impromptu, wide-ranging conversation
5. Shoddy and unsturdy

Answers:

1. Tomfoolery
2. Stagflation
3. Buck naked
4. Bull session
5. Ramshackle 

First word or part of each answer are all male animals.