I personally don't get it either???
Where I live, the ricers are everywhere. An example, I stopped at a red light last week and a honda civic stopped next to me (Big fin, big muffler) I knew it had a 4 banger in it, my daughter drives the exact model.
He is revving the engine prior to green light, and I am resisting giving him the bird!
Light turns green, I stomp the tip and it goes into first (when a tip Boxster goes into first at 4k rpm with dual tips) everyone around you knows it
So did the civic, actually I didn't mean for it to switch shift patterns, but the poor civic thought I was going to race him to the next light!!
He revs to prob 9k rpm and shoots off and then misses 2nd, I then lunge forward in front of him and felt embarrassed

I backed off so the poor soul could keep some face about this.
Then he follows me onto a freeway on ramp, where I hand him his reality