Undergraduate who exists only on the couch of your graduate lab. Origins of the boy are unknown.
Andrew is such a couch boy - I never see him enter or exit the building yet he's always there...
A crude caveman like individual that sleeps on parent's couch. A general laziness and indifference to reality. Incompetence of even the simplest ideas
Couch boy was caught again piddling by his parents while searching for memes