When you lightly use the backside of your hand with a closed fist to achieve daps with a friend without damaging your knuckles
I knocked a buncha fools out at the bar last night. it was sick, my hands are trashed tho.... back dap
When you proceed to put your legs up on the wall, and curl yourself to suck your own penis.
Hey bros! Check out what I can do! Whats that man? I can suck my own cock. Im Pullin" a Rooney