DSR

DSR is an acronym for dick sucking residue.
The residue consists of ejaculatory discharge as well as saliva appearing on an individual(s) mouth or lips.

Eww! Angie has DSR all over her mouth. She needs to clean herself up.

DSR

Dope, Sick, and Radical

Ex1
Person 1: Your cat died
Person 2: DSR.

Ex2
Person 1: I’m getting married!
Person 2: DSR

EX3
Person 1: How are you doing?
Person 2: DSR