No, it's a person who stands in Morrisons by the fish counter waving his tallywacker around with perfect rhythm.
(Jabberwocmisses D.R. and Quinch,
Sat 1 Jun 2013, 17:20,
archived)
Sorry about that, couldn't help it.
(Varmint,
Sun 2 Jun 2013, 21:48,
archived)