The most common and most likely answer to this crossword clue is the 8 letter word OVERSELL
I've seen this crossword clue in The Daily Telegraph
O
V
E
R
S
E
L
L
More clues leading to the result OVERSELL
Buddy explains!

The straight part
We know that "put out with too much hype" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case put out with too much hype = oversell.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 OVERSELL mean?
OVERSELL verb- To agree to sell more of something than one can supply.
- To be too eager in attempting to sell something.
- To praise something to excess.
- To sell for a higher price than; to exceed in sale price.