Campusero(a) 

Campus Party attendees. Campus Party (CP) is an annual week-long technology festival and LAN party. Geeks and Technology enthusiasts that attend this event call themselves and others Campusero (a)

Geek 1: "Hey man are you going to Campus Party Mexico this year?"

Geek 2: "Absolutely, I registered like 1000 months ago *shows badge*"

Geek 1: "You campusero(a), you"

Campusero(a) by Valentina_C October 31, 2011

Chapusero(a) 

A person who doesn't perform a job as well as they could or should. In English, it is generally described as a half-ass job.

"Mira, ese Jose no pinto las paredes bien. Hiso un trabajo chapusero."
"Look, Jose didn't paint the walls well, he did a half-ass job."

Chapusero(a) by Otoniel January 8, 2005