Meanings

shyster

I'm telling you this for your own good

practical joke

creepy (feeling)

hate speech

devil worship

probatio diabolica

unpleasant

great sinners make great saints (after repenting)

utter villain

scum of the earth

to gain a bad reputation

don't hasten into action when you have doubts

worst of the worst

don't be evil

malignancy

malicious advertising

bad taste (e.g. in clothes)

hitting a dangerous (harmful) spot (e.g. hitting one's head)

slow to understand