A very
popular Punjabi phrase used in situations when someone fails to perform something and to express annoyance, exasperation on that.
A very close English translation is 'facepalm' which itself is an internet slang.
fitteh (Pronounced: Phitt -
ey) = smiting
muh (moo) = face
fitteh muh = smiting your face in exasperation = facepalm