a motor vehicle that has been specially modified to give it extra power and speed.
verb
(hot-rod) (hot-rods, hot-rodding, hot-rodded)
1 [with object] modify (a vehicle or other device) to make it faster or more powerful:I was told the program did an even better job of hot-rodding hardware
2 [no object] drive a hot rod:as a teenager he preferred a steady wage and time to go out hot-rodding
Derivatives
hot-rodder
noun
hot rod in other Oxford dictionaries
Definition of hot rod in the US English dictionary