The phrases below are all "off" in the same way. What common expression will explain the confusion?

1. MUDDLE AGES

2. PECOS BULL

3. CRASH DUET

4. SKULL SETS

5. SAFETY PUN

6. DUCK TRACY

7. BUG LEAGUES

 

Answer:

 

IF I WERE YOU - - - Replacing each U with an I changes each clue into a familiar phrase>

 

1. MIDDLE AGES

2. PECOS BILL

3. CRASH DIET

4. SKILL SETS

5. DICK TRACY

6. BIG LEAGUES 

 

Credit:

Emily Cox and Henry Rathvon

IF I WERE YOU