When it comes to describing the phenomenon of becoming flaky, there are several alternative phrases that can be used to convey a similar meaning. Some possible synonyms for this phrase might include "flake out," "be unreliable," "go AWOL," or "drop the ball." All of these phrases suggest a tendency towards inconsistency or unreliability, whether in terms of keeping commitments, following through on promises, or maintaining a consistent demeanor. Other possible synonyms for the phrase "become flaky" might include "lose focus," "derail," "veer off course," or "stray from the path," all of which imply a deviation from the intended or expected trajectory.