jefferson
n. countablen. a slang term for a two-dollar bill in the United States. It is named after Thomas Jefferson, whose face is on the front of the bill.
n. a colloquial designation for a United States two-dollar bill. Derived from the portrait of Thomas Jefferson featured on the obverse of the currency.
He paid for the coffee with a crisp Jefferson.
The cashier looked twice at the Jefferson because two-dollar bills are so rarely seen in daily circulation.
While technically legal tender, the Jefferson is often treated as a novelty or a collector's item by those unfamiliar with its continued production.
From Jeffrey + -son. The placenames in the United States are named for Thomas Jefferson.
Informal and specific to American English; usually refers to the physical banknote rather than the value.