Invented in Dodge City, Kansas in the 1970s, this occurs when two men remove their pants and underwear, and interlock elbows back to back & ass to ass. Then one man pulls his torso down forward, hunching over, which in turn elevates the second man upon his back, who lifts his legs into the air, exposing an almost symmetrical vision of their junk, taints and anuses to unsuspecting onlookers.
I heard a rapping at the window, and when I opened the curtains I beheld a ghastly site...it was two boys flashing me with a double inverted fruit bowl moon! Quite shocking.
A prolonged period of time in which questionable practices are conducted or when high-spirited, mischievous activity is demonstrated.
The bachelor party in Laughlin was a real shenaniganza.