Crossword clues for the word: THTB The word THTB has appeared as an answer to at least 2 crossword clues on different crossword puzzles. Crossword clues for THTB Showing 1 to 2 of 2 results Clue(s) Name for London's subway system and an outdated slang term for television Name for London's subway system and an outdated slang term for television (3 4)