How to Sign "Jerkoff"
To sign 'jerkoff', start by holding your non-dominant hand in front of you with the index finger pointing up and the palm facing sideways. Form your dominant hand into a '1' handshape, then bend the index finger into an 'X' handshape as you bring it toward your non-dominant hand. Strike the side of your non-dominant index finger with your dominant bent index finger, repeating this sharp tapping motion twice.