1 definition by Fallo Turgidson

A formation of military recruits that lines the nude men up in a single-file line such that one man's genitals are essentially pressing against the butt crack of the guy in front of him. This is done during induction between the time the men surrender their civilian clothes and when they are finally issued their military uniforms, to allow the medical examinations and inspections to be expedited.

The Nuts to Butts line up also has the effect of revealing those recruits who enjoy the experience as they would likely sprout an erection and could be rejected by the commanding officers who wanted to weed out homosexuals.
Recruits! I want you to line up nuts to butts and march into the examination room, NOW! MOVE IT!
by Fallo Turgidson October 20, 2013
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