The most common slang terms for scabies are the mange, the 7-year itch, cooties (though usually used for lice), dandruff on wheels, among a number of others.
"magic"
the old ticker
Anal-Attraction
Anal-Attraction
Some common slang names for acid are LSD, Lucy, tabs, and doses.
There is alot of slang/street names for Hallucinogens like power powder, magic dust, and many more
It's not really slang, but that muscle is commonly called the calf of the leg.
downers, tranks, serax
P and Meth are two of them.
The hood,trailer park,the projects.
Grandpa, granddaddy, grandpappy, grandad, pap, gramps, grampa, and grumpa are a few alternate terms for grandfather.
Budgie smugglers Banana Hammock slug huggers