The realdefinition of aeh: A phrase used by anyone who is in an anxious and/or bewildered state. If someone says "Aeh", they are most likely suffering from boredom or are incredibly confused.
"Aeh, I only have two days to write my script, it should've been done last week."
A sound effect only homosexuals utter from their mouths. Comes up during freshman year and lasts from one year to a lifetime. Anybody that says this gets one hard neck.