[reaperducer]

And get a free bobblehead with a minimum eight-gallon purchase.

When I lived in New Jersey, the gas stations in New York would offer spiffs with a fill-up, and there was always a disclaimer "offer not valid in New Jersey," which made it seem like the spiff wasn't available at all in New Jersey. For those who knew, the rule was actually that gas companies couldn't require a minimum purchase to get the spiff in New Jersey, so if you knew what you were doing, you could put a gallon in and still get whatever the free item was.

But I haven't lived in New Jersey since gas was priced in ¢, and not $.

[QuercusMax]

What do you mean by "spiff" here? Google doesn't give me any clues, and the only Spiff I know of (as opposed to the word "spiffy", meaning well-dressed) is Calvin and Hobbes' Spaceman Spiff.

[AutumnCurtain]

A spiff is a free giveaway attached to a sale, historically a bonus for salespeople for making the sale but colloquially also for customers getting a freebie item with a purchase.

[reaperducer]

Also used to describe anything given away for free by salesfolk hoping to land a sale.

Think of the big bags of crap that used to be given away at CES, or when a Microsoft rep would show up in the office and hand everyone new mouse pads.

[QuercusMax]

I always thought that was swag...

[hw-guy]

I always thought it was a joint (what the New York Times calls a marijuana cigarette).

[QuercusMax]

you're thinking of a spliff (note the L)