めっ

意味Nghĩa

1. thán từ

   1.no!; don't!; tsk!

   used to scold small children and pets

例文Câu ví dụ · Tatoeba

• ただし、学生(がくせい)の本分(ほんぶん)は学業(がくぎょう)ですから、期末(きまつ)テストをおろそかにしたらメッ！ですよ？

  However, the duty of a student is to study. So if you neglect the end of term test, that's a "no!".