The Collaborative International Dictionary of English v.0.48:
Flakiness \Flak"i*ness\, n. The state of being flaky. [1913 Webster]WordNet (r) 3.0 (2006):
flakiness n 1: informal terms for insanity [syn: craziness, daftness, flakiness] 2: having or breaking into thin crisp flakes