one's mind went blank

Fig. someone's mind has experienced total forgetfulness. He knew all his lines in rehearsal, but his mind went blank when he went before an audience.

Common Names:

Name	Pronounced	Usage
Liza	['laizə]
Gustav	GOO-stahf (German)	Swedish, Norwegian, Danish, German
Hulda	['hʌldə]
NoÉ	no-E (French, Spanish)	French, Spanish, Portuguese
Vance	VANTS	English
Gervaise	zher-VEZ	French (Rare)