sleazebag;  asshole;  shithead;  lowlife
 putting a deliberately bad interpretation (on a person's actions);  petty-minded suspicion
 putting a deliberately bad interpretation (on a person's actions);  petty-minded suspicion
 putting a deliberately bad interpretation (on a person's actions);  petty-minded suspicion
 to be churlish;  to be crude;  to be boorish;  to be vulgar;  to conduct oneself in an unseemly manner
 hindsight is 20-20 (even for a fool);  an afterwit is everybody's wit