pickflakeball . flakeball or flake {n.}, {slang}, {drug culture} A disjointed, or "flaky" person, who is forgetful and incoherent, as if under the influence of narcotics. Hermione is a regular flakeball. Compare: SPACED OUT. Categories: add yours drugs noun slang Source: A Dictionary of American Idioms Subscribe to: American IdiomsEnglish Slang Comment on this entry