shoot the breeze
blowing hot air (that refers to someone who speaks a lot without really saying anything, like a politician)
Here are some slang terms for potatoes:SpudsTatersMurphyTots
Some slang terms for arsonist are firebug, torch, and pyro.
fine
Back slang is a type of reverse language thought to have been invented in Victorian England by market sellers. To speak back slang, you just say the words backwards. Some of the terms have actually become modern words, such as "yob" or "yobo" for "boy" or "boyo." Here's a good link to a site where there are a lot of good back slang terms listed.
The slang terms I'm familiar with are: P.I. Private Eye, Peeper and Dick
Here are some examples:CarJalopyFlivverRide
There is no slang term for "have." Slang terms are used for things that are complex, or for things used in a particular situation (such as sports or work). People don't make up slang for simple words.
bucksgreenbacks bills
Pito grandote
shela
Angel dust
Hoops, bangs