flood (one's) thoughts

Translations
наполнять (чьи-то) мысли
Memories of the past summer flooded her thoughts as she looked through the photo album.
Воспоминания о прошлом лете наполнили ее мысли, когда она просматривала фотоальбом.
Definitions
To overwhelm or fill someone's mind with a large number of thoughts, emotions, or memories, often suddenly and intensely.