Top Definition
A wooden club with a large end.
In the movie Gangs of New York, Brendan Gleeson played the character Walter 'Monk' McGinn, who at the beginning of the movie offered to fight on 'Priest' Vallon's (Liam Neeson) side. Monk McGinn's weapon was a shellalegh that he etched into for every time he killed a man with it.
by comicfl November 25, 2007
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