cell phone stretch
guy 1: dude is your shoulder ok? you hurt it lifting?  guy 2: relax man, i'm just doing the cell phone stretch
a common exercise among high school and college students whose classroom is in a building with bad digital reception
"guy 1: dude is your shoulder ok? you hurt it lifting?  guy 2: relax man, i'm just doing the cell phone stretch" What is the definition of "cell phone stretch"?