Flexbone
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A formation involving three running backs in which a fullback is lined up behind the quarterback and two slotbacks are lined up behind the line of scrimmage at each end of the offensive line.
Etymology
Blend of flexible + wishbone.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.