Green’s Dictionary of Slang

1. semen.

c.1685		‘The Young Damsels Courage and Conquest’ in Fawcett Broadside Ballads (1930) n.p.: He did shoot, the / dispute held while he’d spent his Ammunition. / Now his Bandileers being empty at last / so he could no longer stand the Field.
a.1704		T. Brown Satire on Marriage in Works (1760) I 58: Tho’ you know, to your cost, you’ve no ammunition [...] my dear mortify’d tool of a man, / You’re not able to make a poor flash in the pan.
1725		Venus in the Cloister IV 146: The poor Boy [...] by an involuntary Discharge of his Ammunition before he reached the Counterscarp, his Vigour lost.
1749		Hist. of the Human Heart 138: When I put down my Hand to oppose his Entrance, for he had already penetrated the Outworks, I found he had exhausted all his Ammunition in the Storm, and had not one Grain of Powder left to carry on the Attack if I had left the Fort without a Guard.
1833		‘A Celebrated Flash Parody’ in Regular Thing, And No Mistake 57: His ammunition being spent, / And I being out of breath with sweating.
c.1900		A. Cairene Sixfold Sensuality 66: Ethel wanted to be shot again so catching hold of his gun she began rubbing it [...] Adolph declaring his ammunition was all expended.

2. lavatory paper.

1949

Monteleone Criminal Sl. (rev. edn).

3. alcohol, a drink.

1917

R.L. Mackay diary 2 Feb. 🌐 [He] placed a glass and some ‘ammunition’ in front of me. He was quite surprised when I told him I never drank before 7.30 in the morning.

4. (US) food, esp. as given out by the Salvation Army and similar institutions.

1663		S. Butler Hudibras Pt I canto 1 line 313–4: They were lin’d with many a piece / Of ammunition-bread and cheese.
1718		M. Prior Alma in Works (1959) I iii: That great achilles might imploy The Strength, design’d to ruin troy; He Din’d on Lion’s Marrow, spread On Toasts of Ammunition-Bread.
1766		Smollett Travels Through France and Italy 53: The king [...] allows them soldiers’ pay, that is, five sols or two-pence halfpenny a day; or rather, three sols and ammunition bread.
1949		Monteleone Criminal Sl. (rev. edn) 11: beans.

5. a tampon or sanitary towel.

1984

Partridge DSUE (8th edn) 18/1: since ca. 1940.

6. (Aus.) money.

2013

T. Peacock More You Bet 67: ‘Money’ [...] might also be referred to as ‘cash’, or ‘coin’, or ‘oscar’, or ‘moolah’, or ‘notes’, or ‘bills’, or ‘chips’ or ‘brass’, or ‘dosh’, or ‘dough’, or ‘bread’, or ‘biscuits’, or ‘bullets’, or ‘ammunition’.