The most common and most likely answer to this crossword clue is the 4 letter word SOPS
I've seen this crossword clue in The Guardian
S
O
P
S
Buddy explains!

The straight part
We know that "Bribes" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case bribes = sops.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 SOPS mean?
SOPS noun- Something entirely soaked.
- A piece of solid food to be soaked in liquid food.
- Something given or done to pacify or bribe.
- A weak, easily frightened or ineffectual person; a milksop
- Gravy.
- A thing of little or no value.
- A piece of turf placed in the road as a target for a throw in road bowling.
- To steep or dip in any liquid.
- To soak in, or be soaked; to percolate.