Bye-bye

//baɪˈbaɪ// intj, noun, slang

Definitions

Intj
  1. 1
    Goodbye. childish, informal, often

    "Bye bye! Let's play again some time!"

Noun
  1. 1
    A goodbye. childish, colloquial, often
  2. 2
    a farewell remark wordnet
  3. 3
    Bedtime for a toddler, going to sleep, going to bed. childish, colloquial

    "Brush your teeth, it's time to go bye-bye."

Etymology

Etymology 1

Reduplication of bye.

Etymology 2

Reduplication of bye.

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