Overmorrow refers to the day after tomorrow and I feel like it comes in quite handy for example.

  •  bizarroland   ( @bizarroland@fedia.io ) 
    5•7 hours ago

    Internecine, meaning “destructive to both sides in a conflict”.

    Petty bickering like that divorce where they had a judge adjudicate the distribution of their beanie baby collection was internecine.