Port Arthur, TX. Known as "the armpit of Texas" due to being a rather down-trodden, highly polluted, industrial and depressed town. Port Arthur is in far east Texas, not very far from the Louisiana border.
Janis Joplin was a really cool singer, but she was from Port Arthur, known as the armpit of Texas.
Similar to a tickle but a much more aggressive action. An Armpit Rocket is when one protrudes two of their fingers, (the pointer finger and the middle finger), into your armpit and wiggles them forcefully. WARNING: This action causes much pain and loss of breath.
Stephanie is stretching with her armpits fully exposed.
Chelsey: "Dude you're so vulnerable for an Armpit Rocket right now, it's unreal."