When 4 or more people smoke. This also would include the vortex bong.
Stoney Alfred: Hey guys do you guys want to go to the Planthouse?
Dentist Alfred: oh your tooth is bothering you, free drill Errr.
Disco Alfred: Don't you guys have that dancing mood.(proceeds to disco)
Alfred: Stupid Stoney Alfred were already in the planthouse. This makes it a smoking convention.
Homer Simpson: Here i brought the vortex bong.
Mr.Chimps:Cheep Cheep free credit.