Green’s Dictionary of Slang

eeyore n.

[‘Eeyore’, the donkey in A.A. Milne’s Winnie-the-Pooh books]

(N.Z. prison) a front-man employed by a smuggler to sell drugs or other contraband.

[NZ]D. Looser Boobslang [U. Canterbury D.Phil. thesis] 64/2: eeyore n. = donkey sense 1: ‘Hey, bro, you going to be my eeyore today?’.