It is not known when this term was created. Slut is a curse used to specifically offend women, and dosh is a slang that the British use to refer to money.
It is much used to offend a woman who owes money to you (or who owes money to anyone else), but it can also be used to refer to prostitutes.
Noun. Alternate Term used to describe the hot dogs sold at the concession stand of major wholesale distributors. Specifically referring to $1.50 hot dog and soda combination sold at "Costco" but can also refer to a similar menu item sold at "Sam's Club".
"I went to Costco today and had doshi dog for lunch"
"I love eating Doshi dogs from Costco! They are so delicious and economical!"