not know A from a windmill
not know A from a windmill
To be stupid. It references the vaguely similar shape of the letter A and a windmill. How do you manage to burn pasta? It's like you don't know A from a windmill.
See also: know, not, windmill
Farlex Dictionary of Idioms.
- bonehead
- not beat about the bush
- bojangling
- not beat around the bush
- beat about the bush
- beat around the bush
- allude to
- past
- dipstick