megabucks

Megabuck is a derived term of megabucks.

As nouns the difference between megabuck and megabucks

is that megabuck is a million dollars while megabucks is (informal) collectively, a very large amount of money (whether in dollars or other currency).

As nouns the difference between dollar and megabucks

is that dollar is official designation for currency in some parts of the world, including canada, australia, the united states, hong kong, and elsewhere its symbol is while megabucks is (informal) collectively, a very large amount of money (whether in dollars or other currency).