you('ve) said a mouthful

1. What you just said is particularly pertinent, poignant, or agreeable. A: "Have you seen the latest policy change in that memo? I swear, this company is going right down the toilet!" B: "You sure said a mouthful, Charlie." A: "There's nothing better in life than a fine glass of wine!" B: "You've said a mouthful!"

2. What you just said was very verbose and complicated. A: "So as you see, the conductors emit ionizing radiation that strips electrons from atoms, rendering this a particularly harmful source of energy." B: "Wow, you sure said a mouthful. I didn't quite make out the finer details, but that's all very bad, right?" Thank you for such extensive advice on the issue—you've certainly said a mouthful. I think I'll just take my computer to a repair shop and let them fix it.

You (really) said a mouthful.

Inf. Fig. You said exactly what needed to be said.; What you said was very meaningful and had great impact. Bill: Did you hear what I said to her? Jane: Yes. You said a mouthful. Was she mad? Bill: This is the worst food I have ever eaten. It is either stale, wilted, dry, or soggy! Tom: You said a mouthful!

you said a mouthful

What you said is absolutely true or important or relevant. This American colloquialism dates from the early 1900s. Dorothy Parker used it in Life (Feb. 3, 1921), “‘You said a mouthful.’ I confess.”