To talk slang, you can start by familiarizing yourself with common slang words and phrases used in different regions or communities. Practice using slang in informal conversations to get a better feel for how it is used. Remember to respect the cultural context and audience when using slang to ensure effective communication.
The slang terms I'm familiar with are: P.I. Private Eye, Peeper and Dick
There aren't slang terms for people's names.
Restroom IS a slang term. Click on the related question
One will find that there is no slang term for brake lines, as they are not referred to in another way. There are many other slang terms for street etiquette, but there is not a slang therm for 'brake line' currently.
does a Finn in slang money terms mean "five"?
To fight. As in, get ready to rumble.
Here are some slang terms for potatoes:SpudsTatersMurphyTots
"Victuals" IS slang -- it means food. Other slang terms for food include grub, chow, and eats.
Cool.
Some slang terms for arsonist are firebug, torch, and pyro.
fine