masturbuzzkill
When you're in the middle of a masturbating to some really hot stuff and someone calls you to do a favor for them.
Tim: Oh my God, this is some hot shit *starts jacking off*
Mom: Tim! Can you come down and help me with the laundry?
Tim: God Damn it! My mom is such a masturbuzzkill!
Mom: Tim! Can you come down and help me with the laundry?
Tim: God Damn it! My mom is such a masturbuzzkill!