jackin the cobb - When you're too lazy to use your hands and just do it like a

When you're too lazy to use your hands and just do it like a caveman

I was jackin the cobb on the bus and the kid next to me started staring at me like I had two heads.

I tried to jack the cobb in my sock and it was like a wrestling match.

My dog was watching me jack the cobb and he looked like he wanted to join in.