Put the Pedal to the Metal' is an idiom that means to go as fast as possible. The crossword solutions for this term are RACED (5 letters), UNIT (4 letters), HIE (3 letters), RACE (4 letters), REV (3 letters), SPEED (5 letters), SPED (4 letters), GUNIT (5 letters), GOFAST (6 letters), FLOORIT (7 letters), STEPONIT (8 letters), FLOOREDIT (9 letters), ACCELERATED (11 letters), RUNWIDEOPEN (11 letters), WINGONESWAY (11 letters), GOATFULLTILT (12 letters), and STEPONTHEGAS (12 letters). All of these words are related to SPEED, acceleration, and racing, which are all associated with the phrase 'Put the Pedal to the Metal'.