1.
An STD.
Can be used to describe a large variety of sexually transmitted deseases but this term is most well known for meaning THE BIG ONE... HIV or AIDS.
Mental midget, someone who is a few beershort of a six pack, not the sharpest tool in the shed, a boatless booze cruise seeker, in short, someone who needs better meds
Now son, you see that naked man running naked down the street, screaming about headless chicken? He's a bug.....