Search Result for "yo-yo": 
Wordnet 3.0

NOUN (1)

1. a toy consisting of a spool that is reeled up and down on a string by motions of the hand;


WordNet (r) 3.0 (2006):

yo-yo n 1: a toy consisting of a spool that is reeled up and down on a string by motions of the hand
V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

YOYO You're On Your Own (slang, Usenet, IRC)