The empty urinal(s) between two guys using other urinals in a men's bathroom.
The bathroom was so crowded that I decided to use the stall instead of a urinal without a buffer zone.
by Liberty Jenkins August 13, 2005
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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."
by Max Power April 6, 2005
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The number of people needed in a group so you can enjoy yourself and not have to worry about having too much face time with *THAT* person in your circle (the frenemy, the "let's just be friends" ex, the hookup that turned out to be a really bad idea, the tool, etc)
Damn, Kelly responded to Rob's Taco Tuesday invite too; looks like only four of us. Let me ask Zak and Sara so there's a buffer zone.
by amyhaha July 29, 2011
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The part of an item of food you and a friend purposefully don't eat when sharing said food item, as to not accidentally ingest some of the other other's saliva. Thus preventing the spread of germs.
Mark: "Dude can i share that piece of pizza with you? I'm starving.... "

John: "Sure... I guess, we just have to be sure to leave a saliva buffer zone..."
by BlueRayz August 5, 2010
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Refers to the distance between Uranus and the outer perimeter of your butt-cheeks, in terms of how far an accidentally-released blob of poop has to "travel" before it reaches --- and subsequently soils --- your clothing and/or whatever surface that you happen to be presently sitting/lying upon.
Many people think that having a huge flabby behind in undesirable, but it can actually be an advantage if you occasionally suffer from liquid farts, since it provides you with a greater butt buffer-zone; this is especially fortuitous if you happen to be sitting or reclining at the time of said unexpected discharge, since it is exhaustingly more laborious to properly sanitize a seat-cushion or mattress, whereas soiled clothing can usually just be soaked in detergent-solution and then tossed in the washer.
by QuacksO March 5, 2017
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