thunderbox
/ (ˈθʌndəˌbɒks) /
noun slang
a portable boxlike lavatory seat that can be placed over a hole in the ground
any portable lavatory
Words nearby thunderbox
thunder mug,
thunder sheet,
thunderation,
thunderbird,
thunderbolt,
thunderbox,
thunderclap,
thundercloud,
thunderhead,
thundering,
thunderous