Piligamy 

When somebody penetrates you in the ass and shoved a banana down your throat during the process at church your great grandmother watches

Oh no dad wants to do piligamy again

Piligamy by 1234 gay giraffe April 22, 2021

paligamy 

When more than two pals decide to marry or when many pals embark on a awesome (or forgettable) sexual encounter together.

Usually, after a few drinks Dick, Jane and their pals became lost in paligamy and other lamp-shade-crazy acts.

paligamy by bradleee January 12, 2008