Johnny Knoxville's toilet cheers

Johnny Knoxville once cheered on a friend as he urinated on someone.The former 'Jackass' star claims he and his TV co-stars are still experts at causing havoc when they go out together.Knoxville says the most fun he had recently was when his pal doused a person who was on fire with urine.He said: "I was out with the 'Jackass' gang and someone poured Bacardi onto the director's foot and set fire to it. "Then someone peed on it to put it out. That made me laugh - a lot.'