0 a piece of clothing for a baby that covers the whole body, sometimes including the arms, legs, and feet, and that fastens between the legs
Game one is usually single bounce (onesies through tensies); game two is chosen by whoever graduates to game two first, and so on.
Cybertronica starts with dancers dressed in fluorescent onesies, running onto the stage or, in the case of one, rapidly rising through the end of the catwalk.
In 2008, when casual jumpsuits became increasingly popular, the press started discrediting them as adult onesies and the name seems to have eroded to a generic word.
Zorg buys onesies for their prospective baby.
She wears a purple onesie.