my mustache is fixable, unlike you, even if I had a bad mustache it wouldn't bring me to the level of ugliness you're on.
Says the murderer....
if somebody says f you just say "maybe later" or something like that
Like if someone says '' your stupid'' say i know you are or thanks im glad you notice''
Your test results came back negative?
A good classy comeback for a girl is "that is why there is only one me".
When a guy tells you your chest is flat simply tell him his dick is small. Another good comeback would be Òmost guys have a bulge in their trousers, where is yours?Ó
Just say thank you for the compliment.
There are several books you can purchase either in Barnes and Noble or via the web for funny comebacks. A site called silentreed in hubpages has some realy good ones.
At least my head anit square like yours!
you really sound like you love your own voice
a good comeback would be " look who is talking" "there's a mirror hun, woops! it broke!!" "haha i wouldn't be talking if i were you."
A cowboy is excellent. You can also do a mad scientist in some occasions. Anything can work. Just hide your mustache under a mask too.