it's a very inspirational, motivational and life changing song sung by nct127's bingeul-bingeul guy, mork and Jefferson. the reason they wrote it is very VERY interesting:)
A guy who whips his blonde hair around like a fricken idiot. The guy has no clue you are calling him Whiplash behind his back and he also has no clue what you are talking about when you say it right to his face.
girl: look at that guy whipping his hair around like a fricken idiot.
other girl: yeah, i know that kid. i call him whiplash.
The act of fucking a girl in the pooper then smacking her in the forehead with a rusty cock, thus giving her whiplash when she tries to pull away quickly.
Guy One: What was that scream?
Guy Two: That was me giving Katie whiplash.