Men of this nature are usually characterised by their 'knowledge' of useless facts, and tend to incoherently ramble on about subjects inappropriate to discussions taking place, such as "Talkign Physics to 4 yr old children at Playgroup"
Can be referred to J.S.
That J.S. is driving me nuts, what does microwaves got to do with maths?
Look at the J.S. He needs to buy some better clothes