safety docking 

Where traditionally construction workers exchange a handshake during a shift change. The safety engineers on the job take this a step further and slide there foreskin together and masturbate until there semen blends in the middle. This is often followed up with letting it drip into shot glasses and cheersing to having a safe shift.

worker1- those homos where safety docking again.
worker 2- it's not even end of shift yet

safety docking by boiler March 13, 2015