Green’s Dictionary of Slang

(N.Z.) a sausage.

1983		Sydney Morn. Herald 21 June 20/3: Put the snarler into the manufactured meat category.
1988		McGill Dict. of Kiwi Sl. 105/2: snarler sausage; perhaps adapted from ‘snarl(e)y goster’, Royal Navy slang for sausage.
2003		McGill Reed Dict. of N.Z. Sl. [as cit. 1988].