Historical clue formulations

• Freeloading sort — 2024-07-22
• Be a sponge — 2024-03-20
• Person who sponges — 2019-03-25
• Sponge — 2014-01-02
• Bum — 2009-04-11
• Freeload — 2008-07-04
• Sponge — 2006-12-10
• Bum — 2006-12-08
• Be a sponge — 2003-04-28
• Borrow, slangily — 2000-12-18
• Sponge — 1999-05-26
• Sponge — 1997-08-15
• Sponge — 1995-01-11