The act of getting a jump on a longline of traffic in a parking lot because some reckless pedestrian has decided to walk out in front of a car. Most beneficial when needing a left turn.
Driver: "Whoa! That fat lady almost got clipped by that Pinto."
Passenger: "Yeah, but that tub-of-lard cut off those other ten cars. Left turn please."
Isn't It Iron Pick, is likely referring to the minecraft advancement.
The advancement itself is a reference to the well-known pop song "Ironic" by Alanis Morissette.
The lyrics are as follows; "And isn't it ironic? Don't you think".
The advancement in and of itself is also a pun on the word "ironic".