Guerrilla Marketing 

Term used for unorthodox advertising, usually used to promote small-to-medium business's in a low cost, yet attention grabbing manner.

Did you see 2XA's new Guerrilla Marketing campaign in Abilene TX?

2XA Advertising wrote coupons for local a local pizza place in the dirt at the park, and everyone who took a photo of it to the local pizza place, got a free slice of pizza.

Guerrilla Marketing by 2XA Advertising May 3, 2013

Guerilla Marketing 

Guerilla Marketing is a verb, and is described as the act of mass promoting a product or event in public. In most cases, this is the object of placing a flyer for an event in the hands of a person, or placed on their automobile.

The street teams "Guerilla Marketing" tactics, brought in about three hundred people to a performance hosted by NLCProductions, and all they did was place flyers on car windows!

Guerilla Marketing by Nizzo October 26, 2005