(_!_)        a regular ass
     (__!__)        a fat ass
       (!)            a tight ass
      (_._)            a flat ass
      (_^_)          a bubble ass
      (_*_)            a sore ass
      (_!__)        a lop-sided ass
      {_!_}            a swishy ass
      (_o_)        an ass that's been around
      (_O_)        an ass that's been around even more
      (_x_)            kiss my ass
      (_X_)            leave my ass alone
     (_zzz_)           a tired ass
     (_o^o_)        a wise ass
     (_13_)        an unlucky ass
    (_e=mc2_)    a smart ass
      (_$_)        money coming out of his ass
      (_?_)        dumb ass