1) someone who never lets u down, tells u everything, yet tells nothing, borrows money from u, but actually pays u back, always understands wat ur saying, and when ur together the fun never ends!
person: OMG HE JUST CALLED ME A WHORE!!
walluddy: ILL SEND IN THE MAFIA
some one who is your wall, and your buddy at the same time. always there for you, and you owe them a big fat check from all the money they lend you
1: He is a bastard! You deserve better!
2: You are my Walluddy, thank you.