The most common and most likely answer to this crossword clue is the 7 letter word BAITING
I've seen this crossword clue in The Daily Telegraph
B
A
I
T
I
N
G
Buddy explains!
The straight part
We know that "teasing" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case teasing = baiting.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 BAITING mean?
BAITING verb- To attract with bait; to entice.
- To affix bait to a trap or a fishing hook or fishing line.
- To set dogs on (an animal etc.) to bite or worry; to attack with dogs, especially for sport.
- To intentionally annoy, torment, or threaten by constant rebukes or threats; to harass.
- To feed and water (a horse or other animal), especially during a journey.
- (of a horse or other animal) To take food, especially during a journey.
- (of a person) To stop to take a portion of food and drink for refreshment during a journey.
- To flap the wings; to flutter as if to fly; or to hover, as a hawk when she stoops to her prey.
- A bloodsport involving the act of worrying or tormenting a chained or confined animal by setting dogs upon it.
- The act of luring, as into a trap.