This is a short way to say 〜でしまう. It means an action is finished. It can show you feel regret or that something happened by accident.
Verb [じゃ-form] + うPrimary
This is a short way to say 〜でしまう. It means an action is finished. It can show you feel regret or that something happened by accident.
ビールが冷えてるから、つい飲んじゃうね。
The beer is cold, so I just end up drinking it, you know?
うわ、ゲームのキャラがまた死んじゃった！
Oh no, my game character died again!
彼はいつも、大事な場面で急いじゃうのだった。
He always ended up rushing during important moments.
このジュース、一人で全部飲んじゃわないでね！
Hey, don't you go and drink all this juice by yourself!
昔のあだ名で、つい呼んじゃうんだよね。
I just end up calling them by their old nickname out of habit.
This word can show many feelings. It can be like 'oops, I did it'. Or it can mean 'I finished it all'. It can also mean 'just do it!' The feeling changes with how you say it.
This is like 〜ちゃう. But you use 〜じゃう with verbs that end in 〜で in their て-form. For example, 飲んで becomes 飲んじゃう. You use 〜ちゃう with verbs that end in 〜て. The meaning is the same. Only the sound changes.
Watch out: People often mix up 〜じゃう and 〜ちゃう. The sound of the verb's て-form tells you which one to use. If the て-form ends with a 'd' sound (like のんで), you use 〜じゃう. If it ends with a 't' sound (like たべて), you use 〜ちゃう.
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