We all know those cute little computer symbols called "emoticons," where:

means a smile and

means a frown.
Sometimes these are represented by :-) and :-(
Well, how about some "ASSICONS?" Here goes:
(_!_) = a regular ass.
(__!__) = a fat ass.
(!) = a tight ass.
(_*_) = a sore ass.
{_!_} = a swishy ass.
(_o_) = an ass that's been around.
(_x_) = kiss my ass.
(_X_) = leave my ass alone.
(_zzz_) = a tired ass.
(_E=mc2_) = a smart ass.
(_$_) = Money coming out of his ass.
(_?_) = A dumb ass.