RATTY
DISTRESSED
TO BE AT YOUR WITS' END
TO STRESS OVER SOMENTHING
TO DROWN IN SOMETHING
TO STRESS YOURSELF OUT
to feel very nervous and worried
to feel stressed because you have too much of something bad or stressful, such as work
to experience mental stress about something
to be so worried and tired because of your problems that you can't think of any more ways of solving them
upset or worried
feeling annoyed, irritable