Homestar Runner plays with this one a bit in the SBEmail "Haircut", where Strong Bad remarks on specifically this kind of eyebrow, used to describe someone "who is not so concerned with attracting ladies." (Making this the Trope Namer - "There we go. One hundred and ten percent lady-proof.")
Epic Fail Guy of 4chan fame, when not depicted wearing a Guy Fawkes Mask, is a standard stick figure with outrageously long eyebrows.
The "Twinkie Brows" meme on Gaia Online refers to Johnny K. Gambino and his son Gino (a bit jarring, since Gino is otherwise a typical Bishounen). It's been speculated that Labtech X has them as well.
One of Gino's dolls now comes with a "Twinkie Brows" pose. The Bad Moon evolving item also included outrageous eyebrows in a variety of colors, including blue, green, and oh-god-my-eyes pink.
In Metal Gear Awesome, Solid Snake's eyebrows bulge out at the slightest provocation. At one point they branch out and sprout oranges.