The act of pulling your nuts out in front of a female and then putting them away when she notices.
Guy 1: I did a sneaky nut today
Guy 2: God really who was it
Guy 1: The chicks playing handball
Guy 2: nice what did they do
Guy 1: well i stole there ball and gave it to drew then the hot one came and asked for the ball then i showed her my nuts and said you want these balls. she started to blush and asked for the ball again then we chucked the ball down the quad .
Guy 2: Nice