The most common and most likely answer to this crossword clue is the 7 letter word SLEDGES
I've seen this crossword clue in The Daily Telegraph
S
L
E
D
G
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S
More clues leading to the result SLEDGES
Buddy explains!

The straight part
We know that "Using offensive words, tries to put off" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case using offensive words, tries to put off = sledges.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 SLEDGES mean?
SLEDGES noun- A heavy, long handled maul or hammer used to drive stakes, wedges, etc.
- A low sled drawn by animals, typically on snow, ice or grass.
- Any type of sled or sleigh.
- A card game resembling all fours and seven-up; old sledge.