You couldn't catch that fish with golden tackle
Most fisherman have baits, also known as tackle. so even the best bait (made out of gold) is sometimes useless.
This is also a reference to Yelawolf’s nickname ‘Catfish Billy’.
To help improve the meaning of these lyrics, visit "Whistle Dixie" by Travis Barker & Yelawolf Lyrics and leave a comment on the lyrics box