What is tight like tiger?

The phrase "tight like a tiger" is an idiom that means being in a fit and energetic state, where everything feels controlled. This phrase became popularized by the character Tony the Tiger, the famous mascot of Kellogg's Frosted Flakes breakfast cereal, who often used the slogan "They're Grrrreat!" to represent a powerful and energetic persona. The phrase is used in everyday conversations to express enthusiasm or to describe someone who is feeling or acting confident, skillful, or powerful.