Definitions by Mr. Bator

Rusty Trombone 

A standing man getting his asshole eaten out by the woman he just ass-fucked, while she jerks him off from behind. The man has to have ass-fucked the woman, hence what makes your trombone "RUSTY"

Tom fucked Kelly's ass so well, she treated him to a Rusty Trombone.

Rusty Trombone by Mr. Bator August 28, 2008