When you can't remember what day something happened, because you've been awake for too many consecutive days.
Person 1: Remember that party yesterday... wait, or was that this morning?
Person 2: I don't even remember anymore, it was yestermorrow.
22👍 2👎
The time period thats after midnight but before the generally accepted time people wake up. Used by people who stay up late or all night and are trying to explain to another person when it is they want to hook up.
P1: You can come over tonight if you want.
P2: You mean tonight-tonight or tomorrow tonight.
P1: I mean tonight-tonight. You know....yestermorrow.
When some idiot mixes yesterday and tomorrow together!
his birthday was Yestermorrow.
15👍 22👎
Between yesterday and tomorrow; in other words, today.
We're having a party tonight, because my birthday is yestermorrow.
11👍 6👎