Uncultivated young man.
Let on: vulgar for confess, inform, reveal the secret.
matey
»You must have forgot yourself, matey.» (Sketches 193. 20.)
A workman.
A vulgar diminutive form of mate.
mug
»Do you take me for a mug?» (Tommy And Co. 46. 20.)
A London brat of the working class.
He »took to» me, he said, because I was »so jolly green»—»such a rummy little mug.»