ACAB
4 letters
Historical clue formulations
- Hail ___ (cry "Taxi!") — 2020-12-28
- "Call me ___!" "O.K., you're ...!" — 2017-02-13
- Hail ___ — 2011-06-24
- Hail ___ — 2011-06-07
- Hail ___ (cry "Taxi!") — 2011-05-16
- Hail ___ — 2008-11-19
- Hail ___ — 2001-07-29
- Hail ___ — 1997-04-06