Person who takes copious amounts of anabolic steroids, resulting in excessive amount of body acne, recessive hair loss and disappearance of testes. A Lewis also spends all day revising for exams that he doesn't even have. He also has a fetish for porn involving drug addicts.
"Hey Lewis, how's it going"
"Terrible! These steroids are wreaking havoc with my penis. I can't even get it up to Ron Jeremy's best bits!"