Totes close pals

• Inseparable pals, briefly
• People who are tight, in modern lingo
• Super close buds, briefly
• Inseparable pals, to texters
• Very close pals, briefly
• Lifelong pals, less formally
• Close pals, for short
• Tight gp
• Very close ones, for short

Wiktionary Word definitions in Wiktionary
n. (BFF English)