Definition of into a cocked hatold-fashioned, informal
- The discovery has knocked/thrown all our old assumptions into a cocked hat.
- The old design was good, but this new one knocks/beats it into a cocked hat.
: a covering for the head usually having a shaped crown and brim
: a distinctive head covering worn as a symbol of office
: an office, position, or role assumed by or as if by the wearing of a special hat
: to furnish or provide with a hat
: to make or supply hats
What made you want to look up into a cocked hat? Please tell us where you read or heard it (including the quote, if possible).