protein spill
n.— «Virginia Li Yuk Wing, 24, a college graduate in marketing who is working as a custodian at Disney-MGM Studios before moving to the Hong Kong park, learned the euphemism for the mess created by queasy visitors after an intense ride: protein spill.» —“Chinese workers learn Disney lingo” by Mike Schneider in Lake Buena Vista Bradenton Herald (Florida) Apr. 18, 2005. (source: Double-Tongued Dictionary)