Thunderbox definitions

Thunderbox

1) British slang for a toilet 2) Slang for a portable lavatory
Found on https://www.crosswordclues.com/clue/thunderbox

---

Thunderbox

Thunderbox is slang for a portable box-like lavatory seat that can be placed over a hole in the ground.
Found on http://www.probertencyclopaedia.com/browse/ZT.HTM

---

Thunderbox

slang for a portable box-like lavatory seat that can be placed over a hole in the ground.
Found on https://www.easypacelearning.com/english-books/slang-words-a-to-z/375-slang

---