sister from another mistered

(/ˈsɪstə(ɹ)fɹəm əˈnʌðə(ɹ)ˈmɪstə(ɹ)d/)

adj.

Drunk to the extent of treating a recent acquaintance as lifelong family.

Jayveer was sister from another mistered and gave the taxi driver a family history.

Source: Wiktionary