go blank

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go blank

1. To unexpectedly forget something. Can you remind me of your name? I'm so sorry, but I've gone completely blank right now!
2. To lose consciousness. My blood sugar dropped so low during the meeting that I went blank and woke up on the floor.
3. To no longer show a picture, as of a TV or computer screen. If the TV goes blank again, just smack it a few times—that should help.
See also: blank, go
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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References in periodicals archive ?
"My last memory was the Wednesday and my mind has pretty much gone blank since," he said.
When asked about the incident, Bonser told police her mind had "gone blank".
"She also talked about speakers with broken trouser zips, and the gentleman who, going to give a speech, got up and said his brain had gone blank and then sat down again."
In some incidents, the screens up front have gone blank, at least temporarily.
And instead of keying in the numbers automatically - like you have done countless times before - you're left staring into space because your mind has suddenly gone blank.
UP to 250,000 televisions across Britain have gone blank after a Freeview signal upgrade made the set-top boxes obsolete.