The letter Ё, ё.

Short for yoleven.

Abbreviation of years old.

Abbreviation of Yogyakarta, a special region of Indonesia.

(African-American Vernacular) Alternative spelling of yo (non-rhotic pronunciation of your)

A series of failed diets that cause a person to lose and gain weight alternately.

(computing, slang) The condition of having repeated intermittent failures, such that the system alternates between being up and down.

(astronautics) One of the weights unreeled from a spacecraft during yo-yo despin to reduce the spacecraft's rotation rate.

(astronautics) A method of reducing the rotation rate of a rapidly-spinning spacecraft by unreeling a pair of weights from the spinning spacecraft, greatly increasing the spacecraft's moment of inertia and transferring most of the spacecraft's angular momentum to the weights.

plural of yo-yo weight