A yo-yo is a toy made of a round piece of wood or plastic attached to a piece of string. You play with the yo-yo by letting it rise and fall on the string.
yo-yo in British English
(ˈjəʊjəʊ)
nounWord forms: plural-yos
1.
a toy consisting of a spool attached to a string, the end of which is held while it is repeatedly spun out and reeled in
2. US and Canadian derogatory, slang
a foolish person, esp one who is easily manipulated
verbWord forms: yo-yos, yo-yoing or yo-yoed(intransitive)
3. informal
to change repeatedly from one position to another; fluctuate
adjective
4. informal
changing repeatedly; fluctuating
Word origin
from Filipino yo yo, come come, a weapon consisting of a spindle attached to a thong
yo-yo in American English
(ˈjoʊˌjoʊ)
US
nounWord forms: pluralˈyo-ˌyos
1.
a spool-like toy attached to one end of a string upon which it may be made to spin up and down
2. Slang
a person regarded as stupid, ineffectual, inept, eccentric, etc.
adjective
3. Informal
up-and-down; fluctuating; variable
verb intransitiveWord forms: ˈyo-ˌyoed or ˈyo-ˌyoing
4. Informal
to move up and down; fluctuate; vary
Word origin
< ?: the toy came to the U.S. from the Philippines