What is Zwo?
1.
German speaking military jargon, used to easily disinguish between 'zwei' (two in German) and 'drei' (three in German), because they both sound similar and could be easily confused (which would obviously not be good in a combat situation).
Fortschritt zwo Kilometers (advance two kilometers).
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Random Words:
1.
Similar to a pebcak error. ID-10-t is idiot with a 10 instead of io in the middle.
computer user: I can't get my computer to work...