http://www.insultmonger.com/swearing/ some of the more amusing examples are here
"Hat man dir mal ins Gehirn geschissen und vergessen
umzurühren?" -
German "Did someone shit in your head and forget to stir
it?"
"Ti posso leccare la figa?" - Italian "May I lick your
pussy?"
"Es scortum obscenus vilis" - Latin "You are a cheap
sexually-perverted manwhore"
"Tha thu cho duaichnidh ri èarr àirde de a' coisich deas
damh" -
Scotch Gaelic "You are as ugly as the northern end of a southward
travelling ox"