Noun Singular rip-off Plural rip-offs (countable) (informal) A rip-off is something that costs much more than it is actually worth.Antonym: bargain $200 for a pair of shoes!? That is a rip-off. (countable) (informal) A rip-off of something is a poor imitation of it. This cheap company produces rip-offs of the popular Nike shoes.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads