Green’s Dictionary of Slang

dip n.1

1. [late 18C–mid-19C] a dip-candle; a tallow-chandler.

2. foods that are dipped or have something dipped into them.

(a) [mid-19C] (Aus.) a boiled flour dumpling.

(b) [20C+] (Ulster) fried bread.

(c) [20C+] (Ulster) hot gravy or an egg to dip in.

3. [mid-19C+] (US/UK Und.) a pickpocket; also attrib.

4. [mid-19C+] (US/UK Und., also the dip) an act of pickpocketing.

5. [late 19C] (US Und.) a burglary.

6. [1900s–40s] (US) a hat.

7. [1920s] (UK und.) in the context of pickpocketing, a hand.

8. (US black) a pocket.

In derivatives

dipology (n.)

[mid-19C] (UK Und.) a faux-academic term for the world of pickpocketing.

In compounds

dip lay (n.) [lay n.3 (1)]

[mid-19C] (UK Und.) pickpocketing.

In phrases

on the dip

[mid-19C+] (UK Und.) working as a pickpocket; resulting from pickpocketing.

SE in slang uses

In phrases

dig the dip on the two and four (v.)

see under dig v.3

off one’s dip (adj.) (also off one’s dipper) [SE dip, a sauce]

[late 19C–1920s] mad, eccentric.