English · Phrasal verb Attested

flex out

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

To respond to greater space availability by growing larger kernels (as opposed to growing at a consistent size no matter what, i.e. fixed-ear hybrids).

Where it’s used: Used American English

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “flex out” mean?

To respond to greater space availability by growing larger kernels (as opposed to growing at a consistent size no matter what, i.e. fixed-ear hybrids).

Is “flex out” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.

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