An experience that happens when you're spooning and one of your arms goes numb because you have it trapped between you and your significant other. This phrasing is most often used when the trapped arm is up tight against the chest with the wrist limp, the hand slightly below the chin. If you have trouble picturing it think T-Rex. Also known as Awkward Arm.

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