Possible Clues:

• Many moons past
• Unruly gang invading toilet many years back
• Tale starter, perhaps
• Principally, naughty joke in office from the distant past
• Accepting reporting restriction, see no way back
• Wish to have a board game is far in the past
• In times gone by
• Very far back in time
• From way back, emblem's included prancing nag
• Gents maybe holding rioting gang way back