Another name for Halloween, coined during a fit of A.D.D. excitement, because Christmas is a hop, skip, and a jump away.
by Albiesaurus Rex March 12, 2008
The self-centered attitude and actions that a large percentage of people with no siblings make their calling card.
Lars: "Why does he think everyone needs to worship the ground he walks on?"
Marv: "Dude it's just only child syndrome."
Marv: "Dude it's just only child syndrome."
by Albiesaurus Rex October 26, 2008