When you just so happen to be in a situation where an understandable stench masks a less socially acceptable one emanated within close proximity.
Roger: "Hey Dano, check it out. I just broke wind while I was talking to that cop, but we were standing right by the sewer, so I was covered by stinkronicity"
by DanoNYC March 03, 2010
When a group of women, most commonly in an office environment, become synchronized within their menstrual cycles.
'Hey, Paul, don't go into the accounts department for a few days unless you're wearing a World War II gas mask and a hazmat suit. The ladies some serious mid-summer stinkronicity going on over there.'
by Stinktober September 14, 2011