The most common and most likely answer to this crossword clue is the 7 letter word NODDIES
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More clues leading to the result NODDIES
Buddy explains!

The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does NODDIES mean?
NODDIES noun- A stupid or silly person.
- Any of several stout-bodied, gregarious terns of the genera Anous and Procelsterna, found in tropical seas.
- A small two-wheeled vehicle drawn by a single horse.
- An inverted pendulum consisting of a short vertical flat spring which supports a rod having a bob at the top; used for detecting and measuring slight horizontal vibrations of a body to which it is attached.
- An old card game.
- A cutaway scene of a television interviewer nodding, used to cover an editing gap in an interview.