Get Over It, SUCKAH!
Our response is already planned out, "Did he use it correctly in a sentence?" "Ok, then....congratulate him on a well formed sentence and leave us alone, thank you."
My favorite hand gesture (aside from the failsafe middle finger) is the jerk-off motion. I air jerk at all of the idiot drivers who cut me off and I think they like it. Oh, and let's not forget "spank the monkey". Spanking the (imaginary, unless you live with one) monkey is an essential non-verbal way of saying, "Look at me everyone because I am really fucking hot."