Not a thing. Except in California.
Which reminds me:
- Q: How many Californians does it take to screw in a lightbulb?
- A: None. Californians screw in spa-pools.
This gag comes to you direct from our “here all week, folks!” store of corking one-liners.
Anyway, since it isn’t a thing, its non-existence can be definitively established by deft use of a suitable disclaimer.