Hobovertising 

Advertising utilizing the homeless as sign posts or walking billboards.

Hobovertising is a cheap way to advertise.

Hobovertising by |3(-N M January 2, 2009

hobovertising 

The use of hobos as cheap or no pay advertising by strapping signs around their necks etc.

Excerpt from Its Always Sunny in Philadelphia Season 2 Episode 8
"Charlie: Frank I don't think this is the best idea for our candidates image.
Frank: Its a great idea! Hobovertising."

hobovertising by TBEOBI January 17, 2009