Basically the definition of a Pumboy is someone that has a pretty dank neckbeard, plays extreme amounts of Pokemon, snails around in overly ridiculously 'I'm here, nerdy and queer' Starwars pajamas and has a strange obsession with John Cena.
"I said to my friend the other day, that lad is a total fucking pumboy".
a clunky, badly maintained passenger vehicle with only one functioning headlight.
Why doesn't the guy driving that crappy puddoynk goget his right headlight fixed already? And with his muffler gone, he sounds like a cheap motorcycle. Serves him right if a cop pulls him over for it.