throw down
v. phr.— «I’m not good at describing in technical detail the lines each rider pulled off, nor do I know my turndowns from my unlookbacks, but suffice to say there was some crazy, crazy stunts being pulled (official parlance: “thrown down” ) and the bloke on the P.A. yelled “SIIIIICCK” a lot.» —“Kokanee Crankworx Freeride Festival” by Dan Barham Singletrack (Todmorden, United Kingdom) Aug. 1, 2006. (source: Double-Tongued Dictionary)