In the "Disney Speak" utilized by cast members to maintain the "magic" for guests, a Code U is the specific radio or internal designation for Urine. Much like the more famous "Code V" (for vomit), these codes allow custodial teams and attraction operators to communicate about biological messes that need professional cleaning without alerting or disgusting nearby guests. If a child has an accident in a ride vehicle or a queue line, a cast member will call for a "Code U" cleanup. The response involves specialized absorbent powders and sanitizing chemicals to ensure the area is safe for "show" again. Utilizing these codes is part of Disney's rigorous training for "on-stage" behavior, ensuring that the guest experience remains pristine even when reality—or a toddler's bladder—intervenes. It is a vital part of the operational efficiency required to keep thousands of people moving through the parks daily while maintaining high sanitation standards.