A wiseacre is "one that knows or tells truth; we commonly use it in malam partem for a fool" (Blount, Glossographia, 1674).
Why are all acts both of Henry and his Parliament to be taken in malam partem?
Abeas ergo in malam rem cum istis tuis hallucinationibus, Villoisone!
The very word (crux) was used among them as a curse, especially in the form ad (malam) crucem.
Such fidelity, however, was taken in malam partem by the high Anglican authorities; they thought it insidious.
Here follows a figure of an unfortunate individual suspended "in malam crucem."