Characters
You know, sometimes you’re funny. Then there’s now.
— Det. Frank Pembleton • Homicide: Life on the Street

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker grants that the listener can sometimes be funny, then cuts that praise down with the flat remark that this moment is not one of them. The compliment exists only to set up the put-down, so the criticism lands harder. It is a dry, deflating jab.
Context reviewed