Find the opponent's drinking water source, add enough chlorine to make it 20-25 ppm, and watch them be immobile squeezing their cheeks together to avoid that mudslide.
If that fails, pick up one of the business cards of Tawnya Harding LLC Consulting and insist and on immediate action.
Hire ex stripper-pole workers as cheerleaders from the movie "The Replacements" and instruct them to go into action 3-5 seconds before each serve.