look up any word, like tinder bombing:
 
1.
Meat stick; My wife's best friend; Yoghurt cannon.
You should'a seen her face when I stabbed her with my mutton dagger!
by Big Dave January 24, 2003
 
2.
red fella, love truncheon, pork sword, skin flute, todger, willy, penis.
I've got 'Ludo' tatooed on my mutton dagger, but when it is fully extended it says 'Llandudno'.
by Jon, Fred, Phil. July 31, 2003
 
3.
A name given by a girl, in reference to male genetalia.
Jenny: That is THE biggest Mutton Dagger I have ever seen!
Chris: Why, thank you!
by Sophie and Sarah May 18, 2007