1)When a group of guys get together to watch any TV show or movie, similar to when women's periods sync up. The body produces impressive and voluminous amounts gas to contribute to the overall social harmony with in the group.
2)The seniors' bus ride to & from Atlantic City from the assisted living facility.
1) Jenny tried to watch the game with her husband Jim and his buddies, but their collective group stink had formed an impenetrable force field that drove her out of the home.
2) The bus company pre-screened their drivers for their ability to withstand group stink, but the Nursing home had served dairy that morning. That, coupled with the floral scents of the Henderson sisters, was enough to knock the driver out. They fished the bus from the river two hours later.