Clue: Name for London's subway system and an outdated slang term for television

Answer: THTB

Length: 4

---

Similar Clues:

• Soldier of fortune, in slang (MERC with 4 letters)
• Kingston Trio hit named for a subway system (MTA with 3 letters)
• Fortune 100 company named after a smoker (AETNA with 5 letters)
• Aptly named forensics show (BONES with 5 letters)
• Land formation named for its usual shape (DELTA with 5 letters)
• First U.S. secretary of war (for whom a fort was named) (KNOX with 4 letters)
• One-named singer/model filmed by Andy Warhol (NICO with 4 letters)
• Animal for which a blood-group system is named (RHESUS with 6 letters)
• Air Force pilot, in slang (FLYBOY with 6 letters)
• "Imitation is the sincerest form of television" quipster (FREDALLEN with 9 letters)