Green’s Dictionary of Slang

spiel n.

also shpiel, speil
[spiel v.1 ]

1. (UK Und.) a gamble, a bet.

2. [late 19C–1900s] (US) a drinking spree.

3. [late 19C–1920s] (US tramp) the commodity that a pedlar is selling.

4. [late 19C–1930s] (US) a dance, as found in New York dance-halls.

5. [late 19C+] patter, speech, esp. of a salesman or market stall-holder, fairground stall-holder or confidence trickster; cite 1905 refers to a printed text.

6. [late 19C+] a verbose, ‘wordy’ explanation.

7. [late 19C+] a conversation, a chat.

8. an idea, a plan.

9. [20C+] a situation.

10. [1900s] (US campus) an eloquent passage in an essay or oration.

11. [1900s] (US campus) a failure at recitation.

12. [1930s] lies, deceit.

13. [1930s+] (orig. Aus.) formal advice, a set of instructions.

14. [1940s] a letter.

15. [1990s+] a drinking club.

In phrases

hard spiel (n.) [1930s–40s] (US black)

1. black slang, jive talk.

2. interesting, persuasive patter.