Used to describe someone with the nick nameKat/Cat (Catherine, Katarina...) who is always negative about everything. be that moaning, complaining, being pessimistic...
"...Kat, stop being such a standard cathode"
"hey cathode, whats up?"
Pale pigmentation and pasty skin caused by excessive exposure to Cathode Ray Tube (CRT) Screens. This 'tan' generally applies to Caucasians only, but some Hispanics and Middle-Eastern people have been known to see the same effect.
The acronym CRT can also be used to express 'Cathode Ray Tan'
"Hey Archibald, me and the boys are going to spy on the girls in their change rooms, are you coming?"
"Sorry Fred, I'm busy working on my cathode ray tan. Maybe later."
“I mean, you can vote for the donkey or the elephant, or you can stay at home, sucking on the cathode tit, but any way you analyze it, you’ve consented to an immoral system.” Garth Risk Hallberg, City on Fire