Sport: short for the activity otherwise referred to as "aggressive inline skating" or "extreme skating". Incorporates grinding, launching, spinning and other tricks performed using inline skates. Involves a mastery of skating.
Ben tries to masterblade every day. He went to the skatepark this afternoon and did some masterblading by grinding rails, doing airs, flips and spins.
by drrty byl February 27, 2008

Banked track roller derby referee for the Lonestar Rollergirls from the A&E reality series called "Rollergirls". Known for his fight yell before each jam " Are you ready? Pack 'em up!!"
by Motorblade June 16, 2007

Masturbating while rollerblading.
by Sulleyvan July 05, 2008
