Wyatt Earp
noun
1
the penis. Rhyming slang for CURP (the penis), formed on the name of the legendary US lawman (1848–1929), possibly informed by the film-myth of Wyatt Earp as a heroic shootist UK, 1980.
2
a belch. Rhyming slang for BURP, based on the name of hero of countless films, Wyatt Earp UK, 1992