Your worst profanity...without swearing!

[Vaati24]

You seething rapacious swamp sow who leaps from bed to bed with the frequency of a cheap A.M. radio!!! (basically calling someone a whore)

 

[Amethyst Wind]

You sir/madam (female/male respectively), are an oxygen-thief of questionable lineage!

 

[Imp Poster]

"You nucking futs!"

 

[savageoblivi0n]

i had one i used to call the finisher..

"you sir are nothing but the retarded offspring of the supreme unholy union between a web-footed french whore and a late-stage syphilitic sewer rat.."

 

[Syphous]

You dumb dumb-face!

 

[Red Right Hand]

You peanut.

 

[Knusper]

You nincompoop, I quake at the imbecility of it all!

I really owe that one to Tony Blair's memoirs.