Ziggy

Someone who is Ziggy is a colleague with an impulsively explosive (or 'Zig-Zag') personality in a work space that can't help make you feel on edge and anxious, one day they'll be fine and friendly or you'll even be having a laugh with them, on another day they'll be giving you the hardest time on a matter which can only be defined as exaggerated.

Example of someone who is being Ziggy:

'Haha today has been such a good day, you and me make the dream work right here'.

'Why the fuck haven't you sort this thing out hey? I couldn't care less what else you have going on this is out of order so sort it now'