adj. Crest go boom. Me go sad(ish).
Real citation: “Even though I had kind of spoiled it by being ungracious about red wine earlier so he looked crestfallenish.”
(Oct. 29, 2005, http://aliiis.livejournal.com/83922.html)
Made-up citation: “Spilt milk makes me melancholy. Spilt growlers of expensive beer leave me crestfallenish. And overturned vats of virgin blood really chafe my nipples.”