Green’s Dictionary of Slang

Northallerton n.

[the quality of spurs made in Northallerton, Yorks.]

a spur.

[UK]Grose Classical Dict. of the Vulgar Tongue (3rd edn).
[UK] ‘Modern Dict.’ in Sporting Mag. May XVIII 101/2: [as cit. 1796].
[UK]Lex. Balatronicum.
[UK]Egan Grose’s Classical Dict. of the Vulgar Tongue.