Meaning:
Be unable to remember something
Examples:
- The trick here is to draw a blank polygon, the area in question.
- The very words "the truth is" make him draw a blank.
- I also wish to stress another aspect on which we often draw a blank.
- I mean, the very words "the truth is" make him draw a blank.
- You may also draw a blank when asked to remember things that happened a day, a month or even a year ago.