have a strip of gravel and a ramp at the ledge overlooking a pool or lake.
Tie a wire to a pole long enough for the wire to pull the bike so that when the bike has reached the end of the ramp it gets yanked backwards.
put a safe and comfortable suit on the man who is doing the prank
Want to master Microsoft Excel and take your work-from-home job prospects to the next level? Jump-start your career with our Premium A-to-Z Microsoft Excel Training Bundle from the new Gadget Hacks Shop and get lifetime access to more than 40 hours of Basic to Advanced instruction on functions, formula, tools, and more.