Definition of "fall flat" [fall flat]

• Fail utterly; collapse (verb)

WordNet. Princeton University. 2010.

• "Abashed, Treappyn let his Sensitives fall flat against his forehead."
• "When it looked as if Anthony was going to fall flat on his face, Roslynn rushed forward, dragging his arm about her neck, and putting her own around his waist."
• "He stretched, expelled a sigh of relief that fluttered the lashes of a ewe twenty yards away, and strode off, only in midstride to fall flat on his new growth of beard."