yo yo
noun(yo-yo)
a thick grooved double disk with a string attached to its center axle that is made to fall and rise to the hand by unwinding and rewinding on the string
yo yo
noun(yo-yo)
a condition or situation marked by regular fluctuations from one extreme to another
yo yo
noun(yo-yo)
a stupid or foolish person
yo yo
adjective(yo-yo)
shifting back and forth or up and down uncertainly or unexpectedly
yo yo
verb(yo-yo)
to move from one position to another repeatedly : fluctuate