冷奴

Noun

 * 1)  Japanese dish

Etymology
Compound of.

originally referred to the lowest-ranking slaves in a household, and in later years, the term referred to male servants of a samurai. The yakko in a procession would wear with a specific  of a square shape with the corners pointing vertically and horizontally. The term then came to be used as slang for the blocky shape, from the resemblance to the crest, giving rise to the term. Yakko on its own was later used to mean this kind of tofu, leading to the terms and.

Noun

 * 1)  a Japanese dish made with chilled tofu and toppings

Usage notes
The literal interpretation of the characters as “cool guy” has led to this word being used on T-shirts (and so on) for stylistic and humorous effects.