It’s a budget failure of Jurassic proportions!

An indicted New Jersey lawmaker allegedly blew tens of thousands of dollars on bizarre and extravagant goodies — including an $82,000 woolly mammoth tusk — while borrowing money from pals and business associates, according to a report.

Ocean County Republican boss George Gilmore, who was busted for tax evasion in January, also spent $50,000 on model trains and tacky blown glass art, according to aap.com, which cited court testimony.

The 69-year-old county board of elections chairman allegedly plunked down $2.5 million on personal items while he owed nearly $1.5 million in taxes, according to the indictment.

Along with the prehistoric beast bone, Gilmore also bought two petrified wood table tops for roughly $33,000 at the By Nature Gallery in Colorado around 2012, the aap.com reported.

In an opening statement of the pol’s trial last week, his lawyer, Kevin Marino, admitted his client is a “spendthrift” who makes “frivolous and unnecessary purchases.”

But just because he’s bad with money, doesn’t mean he’s a criminal, Marino said.

Gilmore was charged with tax evasion, filing false tax returns, failing to pay payroll taxes and other charges.

He pleaded not guilty Jan. 18 and rejected a plea deal last week.