Many people like using pi tapes to measure the pipe size. Pi tapes, which wrap around the pipe the same way but have units in diameter, can be expensive. With calculators everywhere today, dividing by 3.14 is a snap, making these pi tapes not even necessary.
Fuck is an obscene English-language word, which refers to the act of sexual intercourse and is also commonly used as an intensifier or to denote disdain. Its origin is obscure but is usually considered to be first attested to around 1475, although it may be considerably older.
I hate being PC. I want to go back to the days when men were men and women were glad ! A fuckwit is a 'fuckwit'. A fuckwit is not an 'otherwise valuable and wonderful person which I have failed to ascertain the reasons for being unable to understand or enjoy the company of'.