Historical clue formulations

• Closest pals always — 2025-10-06
• Ride-or-dies, in brief — 2025-06-17
• Bosom buddies, in modern lingo — 2025-02-24
• Two halves of a platonic whole — 2024-06-30
• Ones who tell each other *everything* — 2024-01-06
• Inseparable buds, in brief — 2023-09-04
• They might have matching half-heart necklaces, in brief — 2023-04-23
• Bosom buddies — 2022-08-23
• Soul mates, for short — 2022-02-24
• Buds that are very close — 2021-07-28
• Closest of pals, for short — 2021-06-20
• Inseparable buds — 2021-04-06
• Tightest of pals, in brief — 2021-03-22
• People who are tight, in modern lingo — 2020-11-19
• More than buds — 2020-07-31
• Contacts list faves — 2020-05-20
• Closest of pals, informally — 2019-08-20
• People who are totes close — 2019-05-05
• Lifelong pals, slangily — 2019-02-08
• Bosom buddies, in modern lingo — 2018-04-02
• Close buds — 2017-04-23
• Pals 4 life — 2016-01-24