Slut of a thing
An individual which 'puts out' at an outstanding level, alternatively meaning the individual can only be referred to as a 'slut'.
"A Trumble",
After having intercourse, girl climaxes, guy finishes strong, rolls over and exclaims, "you slut of a thing".
After having intercourse, girl climaxes, guy finishes strong, rolls over and exclaims, "you slut of a thing".