Definitions
There are 2 meanings of the phrase
Fast Lane.
Fast Lane - as a noun
A hectic and pressured lifestyle often characterized by recklessness or dissipation
Example: "Life in fashion's fast lane has taught her a lot"
Example Sentences
"I prefer to drive in the fast lane on the highway."
"He always chooses the fast lane at the grocery store."
"She's always in the fast lane when it comes to advancing her career."
"The athlete sprinted in the fast lane to win the race."
"In the fast lane of technology, new devices become obsolete quickly."