“Hey! You scobblelotcher! Thy vile countenance curdles milk and sours beer!”
Now that is a nasty, personal insult which is likely to generate some reaction from an idler toying with his nose contents instead of attending to his duties
Snollygosters, gobermouches and gnashnabs will seize on that one and add it to their repertoire of groans unless someone heads them off with an irrelevant deviation.
However, if aimed in your direction you could robustly deny being a whiffle whaffler and retort: Zooterkins! I will not take that from a zounderkite and fopdoodle such as you, whose klazomaniac shouting only serves to bumfuzzle and create a catawampus. Stop sitting there and doing diddlysquat – you will get your dipthong in a twist.
I discovered these words in Dictionary.com – a veritable treasure trove of such gems. I must confess that they are very expressive and I regret that they are no longer in common use!
Do use a few – if only to bumfuzzle others!
Here are some Shakespearean words which you may like to combine in a best-insult competition.
Mind you it will be difficult to surpass the devastatingly nasty subtlety of Winston Churchill: “We know that he has, more than any other man, the gift of compressing the largest amount of words into the smallest amount of thought.“