621 rule

A form of 6-2-1 rule — A guideline for hygienic and healthy conduct while attending a multi-day convention, stipulating at minimum six hours of sleep per night, two meals per day, and one shower every day.

Meanings

proper nounthe 621 rule
  1. alternativeAlternative form of 6-2-1 rule.
Cite this entry
APA

621 rule. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/621%20rule

MLA

“621 rule.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/621%20rule. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “621 rule,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/621%20rule.

Source: 621 rule on Wiktionary, CC BY-SA 4.0.