also: boot · waggle · naked · naked boot
The quarterback shows run action one way and takes the ball the other way. The four names for it are not synonyms, and the thing that separates them is whether anybody is blocking for him.
2 meanings, all below. Jump to the one you heard.
Boot or bootleg: the quarterback fakes a run in one direction and works back against it, with linemen or a back assigned to protect the edge he is running to.
boot, boot action, waggle, buck passnaked bootlegNaked, or naked bootleg: the same action with nobody assigned to that edge. The fake is the protection, which is what the name is describing. If the defense does not bite, the quarterback is alone with a defensive end.
naked, naked bootbootleg with protection, waggleWaggle is the Wing-T's name for the protected version out of the buck series, where the backside guard pulls to seal the edge and the playside guard leads to take the first defender to show. It is a name for the first sense rather than a third meaning: a waggle is a bootleg, and not every bootleg is a waggle. This is the family and system split from docs/football-knowledge/playbooks.md in one word.