nannyboo is a person of either gender who refuses to grow up, not just in one area of his/her life but in every area and in general
Nannyboo boo is something a small child would say while sticking out their tonge and making faces to tease another child. This is where the term nannyboo comes from.
An immature person is not exactly a good comparison as an immature person can become mature later in life. This is a person who has the ability to be mature and chooses not to.
An immature person is not exactly a good comparison as an immature person can become mature later in life. This is a person who has the ability to be mature and chooses not to.
by dra2333 February 9, 2010
Get the nannyboo mug.bots used to prevent profanities from chat sites etc. Used as a reason to say "fyuk" instead of "fuck" so the bots don't blur it out.
friend: Yo bro, there's nannybots watchin the chats here
you: these ****** nannybots
friend: u gotta say fyuk
you: these fyucking nannybots
you: these ****** nannybots
friend: u gotta say fyuk
you: these fyucking nannybots
by I eated September 2, 2021
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