cluster bunny
A computer science student who spends most of his time working, eating, talking, sleeping, hanging out, licking his girlfriend, stinking, and generally being a big nerd in his school's computer cluster.
Person 1: "That gross kid is always in front of that computer."
Person 2: "I know, he's such a cluster bunny."
Person 2: "I know, he's such a cluster bunny."