of all things

1.
Globalinformalcolloquial
- Used as an exclamation to express surprise, annoyance, or disbelief about an unexpected or particularly inappropriate thing.
- Used to single out a particular person or thing as especially surprising or noteworthy among others.
2.
Globalneutralformal
- Used to indicate that something is the most notable, important, or extreme among many things; above all.
- Used to indicate that, when all possibilities or circumstances are considered, a particular outcome or element is the most relevant or striking.

Examples: