Bed bed refers to when somebody goes to bed and doesnât wake up, or basically just dies. This can be used to say somebody has died or somebody will die and is most commonly used when somebody is making a joke because of the informality of it but can be used formally.
Example 1, formal:
âMy grandma went bed bed last night :(â
âOh Iâm sorry :(â
âYeah :((â
Example 2, informal:
âI think a Victorian child would go bed bed if they heard modern music haha.â