おととい一昨日ototoiおとつい一昨日ototsuiいっさくじつ一昨日issakujitsu
1.
A reference to the day that comes immediately before yesterday, indicating a specific time two days ago from the current day.
2.
A more formal or refined expression denoting the period of time that elapsed two days prior to today, often used in written or formal contexts.
3.
A colloquial term predominantly used in western Japan to describe the day that precedes yesterday, showcasing regional linguistic variations.
4.
An expression that can be used in a dismissive context, implying that someone should not return since their last visit was the day before yesterday.
Example:
「ウィキペディアを引用するな」という主張が昨日だかだかの朝日新聞に載っていた。