Ty in Nashville, Tennessee, has fond memories of his dad handing him what he called folding money. This term simply refers to bills, rather than coins. Other versions include folding dough, folding stuff, folding matter, folding green, folding...
Gina in Dallas wonders where her Louisiana family got croaker, their slang term for a $100 bill. The evidence is scant, but known examples point mostly to Louisiana, and standard dictionaries apparently do not include this sense. One plausible...

