Green’s Dictionary of Slang

wippy n.

[? one ‘whips it out’]

(Aus.) one’s curent funds.

[Aus]J. Byrell (con. 1959) Up the Cross 9: ‘My lily of laguna is as empty as a country punter’s kick [...] you’d better hit the old wippy, son’.
[Aus]J. Byrell Lairs, Urgers & Coat-Tuggers 45: So Dr William Bland, surgeon, emancipist, philanthropist, inventor, all-round genius and all-round mug-punter, again outlays his entire wippy on Mormon [ibid.] 154: Then he takes out 173 quids which constitutes his entire savings wippy and tells the cabbie to please take him to his boarding house.

In phrases