n. The period of time that happens occasionally where everything feels "off", or unfamiliar. Your behaviour briefly changes without explanation temporarily, possibly to extreme depression, boredom, somewhat eccentric, or lame. You essentially start to act weird.

Derived from the word period as it is during this time that a woman's behavior or feeling temporarily changes. However, a weriod can happen with both males and females.

When you eat dirt for the first time and leave your family to build a shack in the woods

Slang term used to describe something that is weird, Weriod!