that's what I say

that's what I say

I feel the same way; I also think that is correct. A: "We'll save more money in the long run by modernizing our equipment than cutting staff." B: "That's what I say. Most of our productivity problems would be resolved if everyone were working with modern technology." A: "I actually think we'll have a better time in Provence than in Paris." B: "Yeah, that's what I say."
See also: say, what

That's what I say.

Inf. I agree with what was just said. Tom: We've got to get in there and stand up for our rights! Mary: That's what I say. Bob: They shouldn't do that! They should be put in jail! Mary: That's what I say!
See also: say, what

That’s what I say

sent. I agree with you. That’s what I say. The way to cut spending is just to do it.
See also: say, what