1. A character in a joke.
There was this undertaker who was washing a dead guy and he was thinking how big his pecker was.
So, he cuts it off and puts it in his pocket to take home to show it to his wife.
When he gets home he takes it out of his pocked and shows it to her.
she says "oh no. Big red's dead!".
2. the penis
1. Did youhear the one about big red.
2. My big red's on hard.
Big Red is a common name for a big red truck. People who name their trucks big red are usually of the homosexual category and have alarmingly small penis’s. They people name their trucks big red to make them feel better about themselves because if their penis was named it would be Small Ugly because their dicks are small and ugly