Green’s Dictionary of Slang

a great deal of money.

1994		D. Fallowell One Hot Summer in St Petersburg 152: He was wearing a fat money belt which said ‘I’ve loadsamoney!’.
1999		Indep. on Sun. Culture 1 Aug. 12: His little-guy heroes always get the supermodel girl and loadsamoney.
2000		Indep. Rev. 2 Mar. 5: To Loadsamoney, a son. Loadsamoney.com.