The most common and most likely answer to this crossword clue is the 11 letter word DISCONCERTS
I've seen this crossword clue in The Times
D
I
S
C
O
N
C
E
R
T
S
More clues leading to the result DISCONCERTS
Buddy explains!

The straight part
We know that "throws" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case throws = disconcerts.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 DISCONCERTS mean?
DISCONCERTS verb- To upset the composure of.
- To bring into confusion.
- To frustrate, discomfit.