To dislodge a scrotum which has adhered to one's upper thigh, thereby relieving discomfort: either by reaching into one's pants manually (unsupervised children) or by holding one leg out and attempting to shake it free.
"Jimmy, what are you doing down there?" "Just culining, Dad." "Here, son...Let me show you the no-hands method." "Wow...Thanks, Dad. This isn't gay, is it?" "No, son...Quite the opposite."