'I caught Fred watching a porno the other night, I'm not 100% sure but I think he was in the middle of a lamb shank'.
by Cannon! August 23, 2006
Unlike a solitary shank (shower and wank combined), a lamb shank is done in the presence of a sheep. Whilst this is traditionally a male lamb, at a pinch any ewe will do!
by Beam Mikey September 05, 2007