you can say that again

US /juː kən seɪ ðæt əˈɡen/
UK /juː kən seɪ ðæt əˈɡen/
"you can say that again" picture
1.

used to express complete agreement with something just said

:
This weather is terrible!" "You can say that again."
That was a long meeting." "You can say that again. I thought it would never end."