The most common and most likely answer to this crossword clue is the 6 letter word FLIRTS
F
L
I
R
T
S
Buddy explains!

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 FLIRTS mean?
FLIRTS noun- A sudden jerk; a quick throw or cast; a darting motion
- Someone who flirts a lot or enjoys flirting; a flirtatious person.
- An act of flirting.
- To throw (something) with a jerk or sudden movement; to fling.
- To jeer at; to mock.
- To dart about; to move with quick, jerky motions.
- To blurt out.
- To play at courtship; to talk with teasing affection, to insinuate sexual attraction in a playful (especially conversational) way.
- To experiment, or tentatively engage, with; to become involved in passing with.