Green’s Dictionary of Slang

sugar n.1

[fig., but note sugar and honey n.; Cohen (ed.), Studies in Slang II (1989), suggests that on the basis of honey = gold, sugar = silver as well as the plain generic]

1. [mid-19C+] money.

2. [late 19C] a premium, an unexpected bonus.

3. [late 19C+] monetary gifts or bribes; also attrib.

4. see sugar daddy n.

In derivatives

sugared (adj.)

[mid-19C] (UK Und.) in funds, holding money.

In compounds

sugar bag

see separate entries.

sugar daddy (n.)

see separate entry.

Sugar Hill (n.)

see separate entry.

sugar mama (n.)

see separate entry.

sugar mummy (n.)

see separate entry.

In phrases

big sugar (n.)

[1920s] (Aus.) a large amount of money.

heavy sugar (n.) [heavy adj. (2a)]

1. [1920s+] (orig. US) a large amount of money; also attrib.; thus heavy sugar guy, a big spender; heavy sugar daddy/papa, a sweet old man with a fat purse.

2. see sugar daddy n.