1.Used to emphasize a word or phrase.
2.Can be also project different emotions.
3.Can be inserted between words or syllables.
4.Possibilities are endless.
O Fuckin' K, U Fuckin' S of A, all Fuckin' right, Semper Fuckin' Fi, Booty Fuckin' licious, Dyno fuckin' mite ect.
A "word" which can be as either a adjective or a verb. In the trades industry (construction workers, electricians, carpentry, etc.), it is a word that is required to be included at least once in every sentence.