Bleeding menaces causing a flap (7,4)
I believe the answer is:
vampire bats
'bleeding menaces' is the definition.
Although both the answer and definition are plural nouns, I cannot see how they can define each other.
'a flap' is the wordplay.
I cannot quite see how this works, but
'a' could be 'amp' (A is the symbol for the amp or ampere) and 'amp' is located in the answer.
This may be the basis of the clue (or it may be nonsense).
'causing' acts as a link.
Can you help me to learn more?
(Other definitions for vampire bats that I've seen before include "Start" , "animals" .)
