Meaning of “kid” - Learner’s Dictionary

kid

verb [ I, T ] us uk /kɪd/ present participle kidding, past tense and past participle kidded
JOKE

to make a joke, or to trick someone with a joke

DECEIVE

to deceive or trick someone into believing something:

[ often reflexive ] You've got to stop kidding yourself. She's not coming back.

(Definition of “kid verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)