expression, godan verb (-bu)
to forget everything; to lose one's memory; to black out
Used when a person cannot remember a period of time, often due to shock, alcohol, or intense focus. The memory loss is typically temporary and for a specific span.
See also: 飛ぶ (とぶ)
事故の瞬間の記憶が飛んでしまった。
I lost all memory of the moment of the accident.
I drank too much and have no memory of last night.