c5 you have just reminded me
In the hall where I grew up, the overflow was right next to the toilets, and being the cheap-scates that there were, when they renovated the hall, they desided to use the thinest partitions that they could find. So you could be sat there in the meeting and someone poor unsuspecting brother would go to the bathroom, and you could hear everything! From the tinkle tinkle waterfall to the ...well you get what I mean.
It gave some light relief (pun intended) , during those boring meetings, especially when everyone in the room would be craining their necks to see who came out, after a corker of a fart had been heard.