flaky
fla-ky
adjective
Unreliable, eccentric, or prone to strange behaviour.
"Don't trust him; he's a bit flaky."
adjective
Easily breaking into small, thin pieces or layers.
"The pie crust was deliciously flaky."
Thesaurus
Synonyms: flakey, freakish, outlandish, unconventional, bizarre, outre, freaky, off-the-wall, eccentric, gonzo, tender