All thumbs

Do you know the English phrase “all thumbs“? Read the conversation below. Can you guess the meaning?

Freda: What’s wrong with you? That’s the fourth time you’ve dropped your tablet today!

Ella: I know! I’m all thumbs today. 

Does it mean:

a) frustrated

b) clumsy

c) nervous

d) shaky

The answer is below! ↓

Answer: b) clumsy