look up any word, like cleveland steamer:
 
2.
a word of insult. ITS FOR PWNING THE BIIAAAAAAAAAACHHHHHHHHHHH IN AN ARGUMENT.
i will pwn you, you nerd licking LAMBSHANK
by lpshow October 05, 2004
 
1.
Another definition for having a wank.
'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
 
3.
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!
I was feeling a bit lonely last night so I had a lamb shank instead.
by Beam Mikey September 05, 2007