Historical clue formulations

• Swells up — 2026-05-11
• Puffs up — 2020-05-16
• Swells — 2019-05-16
• Puffs up — 2018-10-21
• Makes excessively large — 2010-05-15
• Swells up — 2008-10-05
• Swells — 1994-07-31