Hardcore Parkour 

attempting to do parkour but really just randomly jumping over stuff. Derived from a "Office" skit in season 6 episode 1.

The Office "Parkour in the Office"
"Hardcore parkour!" (jumps over chair)

Hardcore Parkour by adchan July 5, 2011

HardCore Parkour 

Usually a phrase shouted by someone doing parkour terribly, usually ending in the person being badly injured

Guy 1:Are you filming this?
Guy 2:yeah, go!
Guy 1:HardCore Parkour!
Guy 1: *Breaks arm*

HardCore Parkour by Paco_Animations June 16, 2018

Hardcore Parkour 

What the cool kids do. Can be messing around acting hardXcore or just chillin'.

Jack: Yo dude, what you up to 2nite then?
Jim: Doin' some hardcore parkour. You?
Jack: Just Xbox. I guess I'm not as rad or gnarly as you.

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(Phil jumps onto a ketchup packet and it sprays all over a year 7)

Fred: Dude that is SO Hardcore Parkour.

Hardcore Parkour by I AM GNARLY May 8, 2010