phonographic memory
someone who remembers everything they hear
Timmy: Wait, what was that anchorman quote again?

Jonny: "Sex Panther by Odeon. This stuff is illegal in 9 countries. It's made with bits of real panther so you know its good."

Timmy: Wow! How did you remember that whole thing?

Jonny: Oh you know...I guess i have a phonographic memory.