host - n. a person (especially a man) who is entertaining guests socially or as a job

viral - adj. spreading very quickly to many people especially through the Internet

advertiser - n. a person or company that makes the public aware of a product, service, or event.

influence - v. to affect or change (someone or something) in an indirect but usually important way

taco - n. a Mexican food that consists of a folded and usually fried piece of thin bread (called a tortilla) that is filled with meat, cheese, lettuce, etc.