He acts with his cap over the windmill sometimes.
cap over the windmill
idiomIn a bizarre or eccentric manner.
Origin
disputed originDerived from throw one's cap over the windmill.
The artist threw his cap over the windmill and painted the entire living room neon green.
Ignoring all social conventions, the eccentric inventor threw his cap over the windmill and began conducting his experiments in the middle of the public square.
- 01
bust a cap
To fire a weapon; to shoot with a gun.
- 02
cap in hand
In a humble and respectful manner.
- 03
cap it all off
To finish or complete something; to add a finishing touch.
- 04
considering cap
An imaginary hat worn to aid careful thought or deliberation.
- 05
feather in one's cap
An accomplishment; particularly one that is flaunted or boasted of.
- 06
set one's cap at
To choose a man as a potential husband (for a girl).
- 07
thinking cap
A metaphorical state of focused thinking or concentration, invoked to encourage problem-solving.
- 08
throw one's cap over the windmill
To act in a bizarre, eccentric or immoral manner.