A fork of Rural Dictionary
(run - it - up - pi-rhow) a pyro who uses either the backburner or stock flamethrower in conjunction with the thermal thruster to jump into the other team as much as possible most commonly seen on ashville, these pyros abuse easy access to the enemy team's batts and ramp in order to maximize their dpm and death count
"why is carcin there, man?" "he's playing run it up pyro!"