Green’s Dictionary of Slang

wad n.1

[SE wad, a bundle; Irish wad, a lump of bread (Holinshed’s Irish Chronicle); repopularized c.1985 by UK comedian Harry Enfield’s character ‘Loadsamoney’, with his Thatcherite credo, ‘Wad is God’]

1. [early 19C+] a roll of money; by ext, a quantity of money, a payment.

2. money in general; thus wadded, possessing a good deal of money.

3. [late 19C-1930s] a drink of alcohol.

4. [late 19C+] (Aus./US) a large quantity of a commodity.

5. [1910s+] (orig. milit.) food, esp. a bun, cake or sandwich. In all cases its filling qualities are more important than taste etc; thus char and wads, tea and buns .

6. [2000s] (drugs) a bag of tobacco or marijuana.

In compounds

wad-shifter (n.)

[1910s–30s] a teetotaller.

In phrases

blow one’s wad (v.)

[1940s+] (US) to spend all one’s money.

buy the wad (v.)

[1960s] (US) to suffer whatever is worst.

fat wad (n.)

[1900s] (US) a wealthy individual.

wad that would choke a wombat (n.) (also wad that would choke a coal chute, ...a donkey)

[20C+] (Aus./US) an exceptionally impressive roll of cash.