When you jerk off before, during, and after a shower; along with jerking off during the shower when you go back to clean off the cum from the after-shower jerk.
Ken: "Dude my slow randy lasted three hours today!"
Me: "Bro what the fuck is a slow randy?"
To be fired from your job.
Usually comes without any kind of warning. The result of leaving early every day and not completing tasks. Allows the fired employee to spend more time fishing (in many cases - w/ Randy).