2 little dicky birds sitting on a wall
This is not even a word. This cannot be answered.
2 hearts in Dr Who
2 covers on a book
2 Wrongs Don't Make A Right
2 sides to a argument
2 peas in a pod
2 Can Be As Bad As 1
The solution to the ditloid "2 I in a BR" is "2 Inches in a Barrell." Ditloids are puzzles where numbers and letters represent a phrase, and in this case, it refers to the measurement of liquid in a barrel.
2 Point Four Children
2 Hearts in Dr Who
2 Number it Takes to Tango
2 Hamburger (patties) in a Big Mac