Green’s Dictionary of Slang

1. (UK Und.) to do something quickly.

1584		Three Ladies of London II: Will ye buy any broome. Who bargen or chop with conscience, what will no customer come?
1600		Dekker Shoemakers’ Holiday IV iv: They in the meane time shall chop vp the matter at the Sauoy.
1637		R. Brome Eng. Moor I i: l heard the bravest noise / Of laughter at a wicked accident / Of Marriage, that was chopt up this Morning.
1741		Witchcraft of Love 29: What an if her Father should chop up the Wedding to Day, for he likes me woundily.
1785, 1788, 1796		Grose Classical Dict. of the Vulgar Tongue n.p.: To chop, in the canting sense, means making dispatch, or hurrying over any business.
1851		R.S. Surtees Young Tom Hall (1926) 32: Making up to this man when told he was a ‘catch’ — chopping over to that when advised he was ‘better’.

2. (UK Und.) to speak, esp. hurriedly (cf. chop (up) the whiners under whiners n.).

c.1698		B.E. Dict. Canting Crew n.p.: To chop up Prayers, to huddle them up, or slubber them over.
1725		New Canting Dict. n.p.: To chop is also used to make Dispatch, to slubber over in Post-haste.
1922		‘J.H. Ross’ Mint (1955) 156: The two warriors sat beside the stove [...] to chop tales of old wild service.

3. (US black) to drive an automobile.

2001

UGK ‘Choppin’ Blades’ 🎵 I made this for the niggas tryin’ ta chop in they cars.