THANKS A LOT


Meaning of THANKS A LOT in English

1.

used to show that you are very grateful to sb for sth they have done :

Thanks a lot for all you've done.

2.

( ironic ) used to show that you are annoyed that sb has done sth because it causes trouble or difficulty for you :

'I'm afraid I've finished all the milk.' 'Well, thanks a lot!'

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.