Someone who is impotent and suffers from errectile disfunction, or "can't come". Symptoms - abnormally large head, disportionally small legs, large ego, socially retarded, self-diagnosed dislexia, stunted growth. A tendacy to die young due to testicular explosions.
1. Alun Welsh
2. "You can't come??? Haha you're such an Alun!"
3. Alun Welsh Syndrome