flaker

noun

1. a small, thin mass: a flake of snow
2. a thin piece or layer split off or peeled off from anything; chip
3. ☆ Slang an eccentric, unbalanced, or irrational person

transitive verb, intransitive verb flaked, flaking

1. to form into flakes
2. to chip or peel off in flakes
3. to make or become spotted with flakes