A person who you probably wouldn't date, but is attractive enough to hook up with as if you met them at a bar or club on a Friday night.
Girl 1: So, I see you have been hanging out with Chris a lot. Ya'll talking?
Girl 2: Oh naw, not like that. I wouldn't want to date him. Too much of a fuck boy. But, he's definitely a Friday night.
Girl 2: Oh naw, not like that. I wouldn't want to date him. Too much of a fuck boy. But, he's definitely a Friday night.
by kraft mac and cheese June 26, 2020

A series of petty revenge pranks carried out on a Friday night. This type of ruthless revenge typically takes place in terrace park in between the hours of 10pm and 4am. It is also referred to as RF.
by pettybitchesgetshitdone January 6, 2019

Fap Friday is a time and place where teens and adults can meet up separately to watch porn together!
by meth290 January 6, 2021

When you have the urge to burst out in song singing "Friday", say phrases like we so excited in your vocabulary, say the word fun multiple times, act like captain obvious when its friday and you say yesterday was thursday, and your biggest life threatning problem is which seat you should take in your 13 year old friends convertable.
Sarah: We so excited because yesterday was thursday, and today is friday, and were gonna have fun fun fun fun because we going for a ride in my homeboys convertable even if I don't know which seat to take.
Ami: Fun Fun Fun Fun
Kylie: We so excited.
Tia: SHUT UP! You guys have an extreme case of friday syndrome.
Ami: Fun Fun Fun Fun
Kylie: We so excited.
Tia: SHUT UP! You guys have an extreme case of friday syndrome.
by S monayyyyy!! April 12, 2011

Big Friday is a term used in athletic populations (predominately strength athlethes) to describe the final training session subsequent to a weekend of recuperation. Big Friday is usually (but not exclusively) a heavy or tough training session where the goal is to achieve a big training performance, however it is also associated with strong intent and focus towards the final training session regardless of what weight is prescribed in the training session.
Bob: “I cannot wait for Big Friday, What do you have for big friday?”
John: “I got heavy squats and pulls mate, It is going to be a good one”
John: “I got heavy squats and pulls mate, It is going to be a good one”
by thebingerer March 9, 2018

When someone got so drunk on a Thursday night or throughout the week that they are completely trashed on Friday, and need to constantly consume water or carbs to absorb / dilute the blood alcohol level. A more deadly version of a normal hangover.
Me: “Dood, wtf is wrong with you?”
Alan: “i drank too much last night now I’m just throwing up like a btch.”
Me: “damn... just another case of Alan Fridays”
Alan: “i drank too much last night now I’m just throwing up like a btch.”
Me: “damn... just another case of Alan Fridays”
by NotAlanT December 9, 2020

The Friday which falls in between paychecks in which you are happy it's Friday, but stressed at the same time.
Employee 1: "Happy Friday all!"
Employee 2: "Yeah but it's Broke Friday. I need to get another cash advance to hold me over until next week"
Employee 2: "Yeah but it's Broke Friday. I need to get another cash advance to hold me over until next week"
by coupondad7 April 7, 2017
