noun the penis. Rhyming slang for COCK; a visual pun on a long pink sweet that is made to be sucked. Similarly sweet references to the male anatomy can be found at ALMONDROCK, BRIGHTON ROCK and STICK OF ROCK. Probably inspired or influenced by the innuendo-laden song 'With My Little Stick of Blackpool Rock' by George Formby, 1937 UK, 1992