The phrase "put a slug between your shoulder blades" typically refers to getting shot in the back, suggesting a sudden and violent attack. It can also symbolize betrayal or being ambushed by someone you trust. In a broader context, it might imply experiencing unexpected harm or hardship. The imagery evokes a sense of danger and vulnerability.
Slug=Limax
I assume you mean "A" sea slug. No, a sea slug is not a fish, but an echidnoderm.
If you mean PROTIST, then no.
Slug could be a snail like animal. It could also mean one heavy bullet.
A slug is a mollusk like a snail, if you mean a slug like from a shotgun about length of shell, slug can also be slang for bullets which can be literally any size up to max.
A slug gn will cost you anywhere between $150-$400
There is none
The difference is that the woodlouse is fat lump and the garden slug is thin and slimy.
No you should not,, you can be arrested, sued, and worse. It is okay if you playfully and lightly slug (punch) someone on the upper shoulder but only jokingly.
Swallow shot slug
slugs dont suck blood
they are the same thing