i) a general analogy for all things terrible and horrendous in nature.
1) ripping someones shit out by sticking your arm elbow deep in their face is a type of "slug monstering".
2) If a child is vampiric then by law you must axe their throats. This is another manner of slug monstering someone. Or SM'ing their shit.
a girl that's different looking
Person 1: is she hot?
Person 2: well... she's unique looking...
Person 1: so... she's a slug monster?