peggy sprained her wrist at volleyball practice and we were trying to pull a train on her but she refused and just gave us the coupler
when an amputee or one with an injured arm hand pleasures two men at once by having them face each other and strokes across the the two mens' shafts
"peggy sprained her wrist at volleyball practice and we were trying to pull a train on her but she refused and just gave us the coupler" What is the definition of "coupler"?