tell you what {~noun}
1
used to introduce or emphasize a point, opinion, idea, or suggestion
- I'll tell you what, instead of arguing, let's try to find a solution that works for both of us.
- Tell you what, let's meet at the park this weekend.
- I'll tell you what, that movie we watched last night was fantastic!
- Tell you what, the best way to learn is through practice and experience.