RichThesaurus
like a blue-arsed fly
vs
like a rat up a drainpipe
like a blue-arsed fly
adj
To be frantic, harried or restless
like a rat up a drainpipe
prep
Very rapidly.
How often have the words
like a blue-arsed fly
and
like a rat up a drainpipe
occurred in a corpus of books?
(source:
Google Ngram Viewer
)