BOOT

What is BOOT?

BOOT meaning short for bootleg; also short for counter boot, a play in which the offense fakes a counter play followed by the quarterback rolling out away from the play fake and throwing a pass; typically, the pass pattern includes a tight end or fullback who blocks the boot side contain defender for one or two counts before running a flat pass route (delayed release)

 

reference: John T. Reed: DICTIONARY OF AMERICAN FOOTBALL TERMS