Oh, you mean narm? Well, every serious line given to Avery Brooks.
Dude sure knows how to overact and dedicates himself to the art.
And, of course, there's Vreenak: "it's a faaaaake!".
And "belly kamehameha" scene in The Reckoning! Even Visitor and Lofton couldn't help laughing at it.
Man, DS9 sure had a lot of narm come to think of it.