To have sex or casual relations with someone you work with. The consequences are risky; that you will be caught with 'company fish' or potentially loose your job, or just be stuck working in an awkward situation.... but you do it anyway.
"Damn, that boy is hot! Ima hit him up at the staff party!"

"Yeah he is, but I never fish off the company pier. After the last guy, we had a crazy fight in the lunch room later. I learned my lesson!"
by Canadaslang December 24, 2011
Get the Fish Off the company Pier mug.
When you date someone you also work with. Can turn out to be a very violatile situation when it comes time to break up.
Joe: Did you see that new billing clerk? I am so going to ask her out.
Max: Dude, don't go fishing off the company pier.
by Helena Handbasket December 2, 2003
Get the Fishing off the company pier mug.
Dating at work is a recipe for a sexual harassment lawsuit.
"You don't get your honey where you get your money. You don't go fishing off the company pier."
by thefirebuilds September 20, 2006
Get the Fishing off the company pier mug.