NSF has several meanings depending on context.
When dating or casually chatting online, NSF means "Not So Fast."
For example:
clumsy: u want 2 go 2 movies?
sprout: NSF, let's talk more...
In a financial context, NSF means "Not Sufficient Funds" meaning that the account owner attempted to withdraw more funds than available in the account.
Garrett mean in cockney slang
Slang is slang It's the s' "LANG " uage.
It is slang for having sex.
''Dill'' means ''idiot'' as australian slang.
That is not slang, it is a clear plastic sheet.
National Sanitation Foundation
Not standard formation
The presence of the NSF designation on pipe means it was tested for compliance with one or more voluntary national standards. Common designations include NSF-pw and NSF-61, both of which mean the pipe is intended for potable water applications. Pipe displaying NSF-dwv should only be used for drain, waste or vent applications.
Found 247 uses for NSF but it is almost certainly for National Science Foundation which has tested a product and found that it is safe and does what it is suppose to do.
Probably "number of significant figures = 2".
I'm uncertain what the initials "FED" might mean, but the initials "NSF" stand for non-sufficient funds.
If you mean slang as in internet slang, then it means "Certified Old Fart".
Garrett mean in cockney slang
Slang is slang It's the s' "LANG " uage.
In old slang, milkshake mean butt.
Cool itself, unless you are using it to mean mildly cold, is a slang word. Just because it is old slang doesn't mean that it is not still slang.
It is slang for having sex.