adj. Not necessary in the depths of hell, but at least a scootch south of the carpet.
Real citation: "There is another undergroundy-ish thing that is hatch-like but not a hatch."
("Watch with Kristin," http://www.eonline.com/Gossip/Kristin/Trans/Archive2006/060130c.html)
Made-up citation: "What darkness dwells in the undergroundy-ish regions of the male mind? Just some basketball stats, bad jokes, and where to find a cheap-but-delicious pizza bagel in NYC. Also, there's mildew."