a complete coward.
a consummate fool.
a double-dyed villain.
a perfect circle.
a perfect day.
a perfect idiot.
a perfect reproduction.
a perfect specimen.
a thorough nuisance.
a thoroughgoing villain.
an arrant fool.
gross negligence.
perfect happiness.
perfect manners.
perfect timing.
perfect your French in Paris!.
pure folly.
stark staring mad.
the unadulterated truth.
utter nonsense.
what a sodding mess.