you get called all sorts of stuff on mudcat. sometimes you'd be made of iron not to get offended.

by and large. i suppose we ask for it - hanging round on this site. after a while you know which characters are going to trot out which insults.
basically theres two classic ploys to avoid saying 'you have made a fair debating point':-
1) gratuitous insult
2) cut and paste a load of garbage that no one has time to read

where does the biology jibe have its origins?