Finish story mode 100%.

If you beat the mtv story mode 100%. In poo tug wee man usally only pushes you in but when you get 100% party boy kicks you in.

In the game mode rock paper nuts the trick is to wait and look at opponents hand if its the computer your challenging he will do his action straight away so wait and win its real easy to do. This helps in challenge mode aswell :) good luck