wrinkle-rod meaning

[American slang]
n. the crankshaft of an engine.
• You need a new wrinkle-rod, lady.
• A wrinkle-rod'll set you back about $199, plus installation charges, of course.

• wrinkle:    Noun: wrinkle  ...
• wrinkle finish:    [Electronics]A pat ...
• wrinkle up:    [American slang][f ...