Aaaaaaaaaaaay!  Call him Dr. Fonz!  A big thumbs-up to this actor who got an honorary Ph.D. at Emerson
[DOC] [TLE] Intelligence For Your Life :: Where Did the "Thumbs Up" Sign Come ... [PAR] Because if a crowd flashed thumbs up, it basically meant get him out of here  
so the gladiator was doomed to die!