it means you are riding in the car with drugs
riding dirty
Ridin Dirty
Chamillionaire.
carmaro, chevy riding dirty like danah
Il riding
everything is riding on it
Riding gloves stop you from getting dirty hands and give you more grip also when you go to shows they make you look smarter
Dirty
governor not moving freely or dirty carb
what u mean by a dirty coin is a coin that is dirty, dusty and sticky ( not most of the times it can be sticky).
What do you mean by 'riding'?
Stuck floats or dirty needle valve.