buddymoon
A trip or vacation taken by two good friends who are not romantically involved.
My best friend and I went to Las Vegas to get lap dances on our buddymoon.
buddymoon
A honeymoon taken with a group of friends in addition to the bride and groom.
Sarah and Tom got married in New York, followed by a week-long buddymoon in Jamaica with their 10 closest friends.
buddymoon
An out-of-town trip by two close heterosexual guy friends; the guy version of honeymoon.
My girlfriend is pissed off at me because Cameron and I are going to Vegas on our buddymoon.
buddymoon
When two friends drop their pants and touch butts
Greg's mom sure was shocked when she saw the video of him and Curtis trying the buddymoon.