Wrist Waters

An unknown material only owned by Mario, he flexes about it on his rap battle against Sonic as shown in the documentary: Mario vs Sonic - Cartoon Rap Battles made by Calobi Productions and in the phrase "wrist waters on my neck, Sega is a wreck" you can see Mario is showing his dominance

Mario: "Wrist Waters on my neck, Sega is a wreck"
The Crowd: Holy shit that was a great roast