There's/that's... for you disapproving informal
This phrase is often used under the implication of irony.
Someone or something is a typical example of someone or something bad
You helped her a lot, but she betrayed you. That's gratitude for you!
A: "I can't believe he had an affair with his secretary." B: "There's men for you!"
The key element of funny speech and writing is shortness.
A successful comedian is a person who knows brevity is the soul of wit.