'Snob' definitions:

Definition of 'snob'

noun

A person regarded as arrogant and annoying [syn: snob, prig, snot, snoot]

From: GCIDE

Snob \Snob\, n. [Icel. sn[=a]pr a dolt, impostor, charlatan. Cf. Snub.]
1. A vulgar person who affects to be better, richer, or more fashionable, than he really is; a vulgar upstart; one who apes his superiors. --Thackeray. [1913 Webster]
Essentially vulgar, a snob. -- a gilded snob, but none the less a snob. --R. G. White. [1913 Webster]
2. (Eng. Univ.) A townsman. [Canf] [1913 Webster]
3. A journeyman shoemaker. [Prov. Eng.] --Halliwell. [1913 Webster]
4. A workman who accepts lower than the usual wages, or who refuses to strike when his fellows do; a rat; a knobstick. [1913 Webster]
Those who work for lower wages during a strike are called snobs, the men who stand out being "nobs" --De Quincey. [1913 Webster] [1913 Webster]