1. A male's embarrassing inability to expel semen during sexual intercourse, due to lack of true arousal, physiological shortcomings, or other causes.
2. The failure of a CD/DVD player or computer to eject its contents.
Quentin: Amazing. Until I couldn't cum. FUCKING ejectile dysfunction.
2. Anastasia: WHERE is my copy of 10 Things I Hate About You?
Isadora: It's in my laptop, sorry! It has ejectile dysfunction!