flood (someone's) mind

Translations
заполнять (чей-то) разум
Memories of the past began to flood his mind.
Воспоминания о прошлом начали заполнять его разум.
Definitions
To overwhelm someone with a large amount of thoughts, ideas, or information, often to the point of confusion or inability to process it all.
Words
flood

noun
наводнение
flood

verb
затоплять