Green’s Dictionary of Slang

smeller n.

[positive and negative uses of SE smell v.]

1. [early 17C] (UK Und.) a garden.

2. [late 17C–1940s] the nose; occas. pl. smellers, nostrils.

3. [early–mid-19C] a blow on the nose.

4. [late 19C] (US) a spy, a prying person.

5. [late 19C–1920s] anything exceptional, esp. very strong, very aggressive etc.

6. [late 19C–1930s] a heavy fall; thus come a smeller, lit. or fig. to tumble down heavily [one SE smells the ground on hitting it].

7. [late 19C+] (N.Z.) an unpleasant person.

8. [1910s] (Aus.) a camel.