10k glitch
The 10k glitch is a glitch in which Mario's speed is increased by a multiplier that increases by 1 for every 10,000 speed units Mario has. It is used in the A Button Challenge.
Execution
To perform the 10k glitch, Mario must be in a braking state (holding backwards on the analog stick as if he were about to sideflip) with high forward speed (at least 20k) and then touch a slippery slope. Since most courses are too small to attain this much speed while touching such a slope, this glitch is typically performed using PU speed.