Rapper Wiz Khalifa got caught taking a whiz.<br />Authorities boasted of nabbing the rapper during his brief visit to Pittsburgh.<br />He allegedly relieved himself behind a bar early Saturday, resulting in a public urination ticket.<br />Kalifa, whose legal name is Cameron Jibril Thomaz, was given a 2:30 a.m. ticket behind The Flats in the city's South Side, according to the Pittsburgh Bureau of Police.<br />Hours before nature called, Khalifa had performed at Pitt's Midnight Madness.<br />The citation came hours before Khalifa performed alongside Lil Wayne in Philadelphia on Saturday night.