(astronautics) A weight unreeled from a discarded rocket stage to unbalance the stage and cause it to tumble, preventing the stage's residual thrust from causing it to ram the payload that discarded the stage.

(astronautics) A yo-weight.

Alternative spelling of yo momma

Pronunciation spelling of your mom.

(informal) frozen yoghurt

One who plays or performs tricks with a yo-yo. / One who engages in yo-yo dieting.

plural of yo-yoer

(African-American Vernacular) A general purpose insult.

A repetitive call made in order to synchronise workers performing some collective physical labour, such as hauling on a rope.

Alternative form of yo-ho-ho