1 definition by brannn
Running without controlling your arms and kicking your knees up as high as possible with each step. This type of running, albeit tiring, is hilarious to watch, and was invented for that purpose.
Jacon Bacon: "Hooo shit, what the heck is Linda doing?"
Maurice: "She's just Rennerrunning, it's great exercise."
Maurice: "She's just Rennerrunning, it's great exercise."
by brannn February 9, 2010