In the body contract text the defined term should not be underlined or printed bold (except where it marks the immediately preceding definition – see best practice rule 13). 4) Do not create a defined term if its plain-language meaning is clear and unambiguous. Not giving a fuck is found in slang by the 1920s, though a 1790 poem implies the meaning. It’s not clear when or where zero fucks begins, but it started adding up in the late 2000s and early 2010s. Zero fucks emerges on Twitter in 2009, when one user gave us a textbook example: Urinated in public all over Sausalito, giving zero fucks.
The quoted form 'pi means, "whoah, don't do that translation -- this is a symbol with no other meaning". Note that you could replace the expression pi with a synonomous expression -- e.g. (+ 1 2.1415926536)-- without changing the original expression's meaning. Not so with the quoted version.