But the one which always made silly schoolboys giggle was Ob has causas (For these reasons) - because we would pronounce causas as "Cow's arse", much to the annoyance of the Latin master.
In the way of small boys we were given in exchanging insults such as
homonuncule!, stulte! and mendax! when being force-fed Latin
ACW -
Effutuens ..., mind you these days the DEI police would probably have had your boss up on a charge, unless he had first-hand evidence
.
And in answer to
stevef: yes, it was a useful framework on which to base the study of MFLs especially those which are Latin dialects and pidgins, and gave an understanding of scientific terms. Having to parse Caesar, Virgil, and Lactantius developed the ability to identify and extract the pertinent facts and true meaning from long winded, jargon rich documents.