Green’s Dictionary of Slang

loadsamoney n.

[ult. the 1980s TV character Loadsamoney created by Harry Enfield (b.1961)]

a great deal of money.

[UK]D. Fallowell One Hot Summer in St Petersburg 152: He was wearing a fat money belt which said ‘I’ve loadsamoney!’.
[UK]Indep. on Sun. Culture 1 Aug. 12: His little-guy heroes always get the supermodel girl and loadsamoney.
[UK]Indep. Rev. 2 Mar. 5: To Loadsamoney, a son.