Define Pulled A Fast One Meaning

When someone changes the rules of the game at any given time, resulting in 100 percent personal gain.

To deceive someone.

When you go to the bathroom or saying you are going to use the bathroom but you are actually going to get drunk do drugs jerk off or have sex or leave

When you go into a porta potty to jerk off drink or have sex while at work

To go to the bathroom to drink or Jack off or have sex with someone

Attempt to scam, trick, or con someone without the person noticing. But Once the person being scamed finally realizes what's going on they acknowledge what just happened by saying

"they tried to pull a fast one on me" or

"Did you just try to pull a fast one on me"

This term can also be used if someone actually scamed you , tricked you ,robbed you etc. without you realizing it until after it happens

Example:
I was helping this guy out and he "pulled a fast one on me" He took all my money

Weaseling your way out of work responsibilities with a ninja stealth like shaddyness.

When a person or object decides to prank or fuck with another. Not to be confused with pullin a fast one