Used to express disgust, distaste and being generally fed-up with something in particular, or
simply the
world in
general. The level of emphasis given to the word is an indication of how stongly annoyed the speaker is.
Tutor: Can you get this piece of work done by
Friday instead of
Monday?
Pupil: Of course.
Pupil (inwardly, or later, to friend): Meh, where am I supposed to find the
time to do that?