To behave recklessly, irresponsibly or deceitfully with no regards to the consequences of said actions.
Alastair said "I'm going to buy some sex dice to spice up the bedroom " and Henry replied "on the university wifi? That's fast and loose!"
by G1nger January 21, 2017
to behave recklessly, irresponsibly, or deceitfully toward someone or something, such as acting in a manner that contradicts conventions or guidelines
by The Return of Light Joker November 16, 2009
When you decreasingly lose some of your artistic talent in a few days resulting in very low-detail design. You suddenly get tired of working on your artwork and got the decision for someone else do the work for you because you've wasted your talent... And wasted your potential.
It was too much work for me. I had to go fast and loose to save time. You hear me? FAST N' LOOSE. LESS TALENT MORE BULLSHIT.
by Senator Foreskin March 11, 2023