A distance of at least one unit of seating (e.g. a chair, a foot or two on a bench) in between you and at least one other person. It is most often used when: a) a foul odor is emanating from the person next to you b) you don't want to be accused of being too close to a person of the same sex for, well, obvious reasons...homosexuality c) discomfort
"Hey dude you smell like shit, we should have a 1 desk buffer zone or I'll pass out during class."
The meal eaten between lunch and the evening meal. Usually consumed at 3 or 4 o' clock.
The word's etymology can be traced to the latin words 'colligo', meaning to gather or assemble and a corruption of the verb 'voro' meaning to eat greedily / consume.