Your mother was a hamster and your father smelt of elderberries

French Guard / Monty Python and the Holy Grail

 [He] may look like an idiot and talk like an idiot but don't let that fool you. He really is an idiot.

Groucho Marx / Rufus T. Firefly / Duck Soup

 I'll explain and I'll use small words so that you'll be sure to understand, you warthog-faced buffoon.

Westley / The Dread Pirate Roberts / The Princess Bride

 [You're] a girl with as much talent for disguise as a giraffe in dark glasses trying to get into a polar-bears-only club.

Blackadder / Blackadder Goes Forth

 Why, you stuck up, half-witted, scruffy-looking... Nerf herder!

Princess Leia / Star Wars Ep V: The Empire Strikes Back

 I do desire we may be better strangers.

Orlando / As You Like It / William Shakespeare

 What are you, a captain in the innuendo squad?

Micky / Doctor Who