The act of passing someone at the very start of a
race or at a stoplight, specifically when one person stops for a red light, and another person gets there just as it turns
green, so as to keep up
speed.
Person
1:"Awww fuck, this light always catches me!"
Person 2:"Now that big semi behind us is going to give us the Zart."
Truck Driver: "Now I just coast up a little, and...
Bam! Take the Zart,
bitches!"