I usually go crap around late afternoon Monday through Friday(always get paid to shit, always). I don't like to mess around, 2 minutes tops. During that short time, it never fails. You come in to the bathroom, sniff a few times, run some water and then leave.
A few of my coworkers have all experienced this phenomenon as well.
All we can tell is that you like to smell fresh feces and you wear smaller sized Keen shoes.
In the event you read this, please, slip a fiver or more under the stall door and I'll not flush it.