having ample inventory

The goods and materials that a business holds for the ultimate purpose of resale

a term used to secretly talk about a women being on her menstral cycle.

When you are tossing and turning in your sleep. You keep your eyes shut but the brain traffic won't stop and all those people talking in your head are inviting more people over. Pretty soon you have to take stock of the situation otherwise the cranial inventory is out of your control and your brain might explode. Eyelid Inventory is the only way to keep the situation on your level. You may not sleep but your chaos is organized.
And your pillow case is clean in the morning

to check eachother out nudey booty

To masturbate profusely

When someone on your team steals your loot.