Friday is the day between Thursday
Thursday is the fourth day of the week according to the ISO 8601 international standard adopted in most western countries. In countries that use the Sunday-first convention and in the Judeo-Christian calendar it is the fifth day of the week. It falls between Wednesday and Friday...

 and Saturday
Saturday is the day of the week following Friday and preceding Sunday.Saturday is the last day of the week on many calendars and in conventions that consider the week as beginning on Sunday, or the sixth day of the week according to international standard ISO 8601 which was first published in...

. In countries adopting Monday-first conventions as recommended by the international standard ISO 8601
ISO 8601
ISO 8601 Data elements and interchange formats – Information interchange – Representation of dates and times is an international standard covering the exchange of date and time-related data. It was issued by the International Organization for Standardization and was first published in 1988...

, it is the fifth day of the week. It is the sixth day in countries that adopt a Sunday-first convention as in Abrahamic tradition. (See "Week-day names
Week-day names
The names of the days of the week from the Roman period have been both named after the seven planets of classical astronomy and numbered, beginning with Monday. In Slavic languages, a numbering system was adopted, but beginning with Monday. There was an even older tradition of names in Ancient...

" for more on the different conventions.)

In many countries, Friday is the last day of a five-day working week, and is viewed as a cause for celebration or relief (leading to the phrase "TGIF
TGIF is an initialism for the phrase "Thank God It's Friday", celebrating the last day of the work/school week before the weekend. Its origin dates to the 1960s. It was first popularized by the restaurant T.G.I. Friday's which was founded in 1965. However, it became mainstream by the late 1970s,...

", for "Thank God It's Friday").

"That was stupid! How the hell did you go and get fired on your day off?"

[After Craig has poured a bowl of cereal before realizing there is no milk in the house] "You better pour some water on that damn shit!"

"Don't nobody go into the bathroom for about 35, 45 minutes."

[While watching a movie] "It's yo' asssss, Mr. Postman."

You win some, You lose some. But you live... You live to fight another day. Now you think you a man with that gun in yo hand don't you?

[Opening lines] "Listen, I know you don't smoke weed...I know this. But I'ma get you high today. 'Cause it's ain't got no job...and you ain't got shit to do!"

[Repeated line] "You got knocked the fuck out!"

[Repeated line] "And you know thisss, maaaaaan"