Not confirmable.

(law, Commonwealth of Nations, US, Philippines) The formal, official title of an act (or other piece of legislation); such titles are rarely (if ever) used in practice, and in some cases consist of...

(vulgar, slang) Initialism of motherfucking; also mf.

Anything shaped like a cone / (geometry) A Catalan surface all of whose rulings intersect some fixed line / (geometry) A solid formed by the revolution of a conic section about its axis