The most common and most likely answer to this crossword clue is the 8 letter word BISCUITS
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Buddy explains!
The straight part
We know that "It’s crackers" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case it’s crackers = biscuits.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 BISCUITS mean?
BISCUITS noun- (rare in the US) A small, flat, baked good which is either hard and crisp or else soft but firm: a cookie.
- A small, usually soft and flaky bread, generally made with baking soda, which is similar in texture to a scone but which is usually not sweet.
- A cracker.
- The "bread" formerly supplied to naval ships, which was made with very little water, kneaded into flat cakes and slowly baked, and which often became infested with weevils.
- A form of unglazed earthenware.
- A light brown colour.
- A thin oval wafer of wood or other material inserted into mating slots on pieces of material to be joined to provide gluing surface and strength in shear.
- A plastic card bearing the codes for authorizing a nuclear attack.
- (hiphop) A handgun, especially a revolver.
- (shuffleboard) A puck (hockey puck).