Real Dictionary

tout
verb: If someone touts for business or custom, they try to obtain it.
verb: If someone touts something, they try to sell it or convince people that it is good.
verb: If someone touts tickets, they sell them outside a sports ground or theatre, usually for more than their original value.

tout in American English
intransitive verb: to solicit business, employment, votes, or the like, importunately
noun: a person who solicits business, employment, support, or the like, importunately
transitive verb: to solicit support for importunately

tout in American English 1
a person who touts; esp., a person who makes a business of selling tips on racehorses
to praise or recommend highly; puff
to solicit customers, patrons, votes, etc.

tout in American English 2
everyone who is important or fashionable in (a specified metropolis)

tout in British English
noun: a person who spies on racehorses so as to obtain betting information to sell
verb: to solicit (business, customers, etc) or hawk (merchandise), esp in a brazen way