Sicko 

A pure menace to society, sicko doesn’t care about most peoples feelings. He gets real disrespectful when provoked or if disrespected first. He is a cool guy just don’t piss him off. If sicko fw you you’re the luckiest person in the world.

Yo you heard of that sicko dude? funniest nigga on earth I fw him heavy.

Sicko by mixedupsicko February 6, 2022

turtle sickness

Turtle sickness is a result of sleeping too much or not getting out of bed until 2:00 or 3:00 pm. It is the feeling of still being tired even if you've slept for 10 or 12 hours. Your behavior and brain functions are noticably slowed down and reactionary time is also deminished.

She just woke up and she still looks tired - she must have turtle sickness.

turtle sickness by Defon 4 and waiting June 10, 2010

Homie Sickness 

A derivative of home sickness, a term used for the feelings of melancholy and nostaligia when one is apart from their friends.

Matt went to visit his parents this weekend, and I'm getting serious homie sickness.

Homie Sickness by Oliviana September 16, 2017

Decompression Sickness 

A condition starting from dissolved gases coming out of solution into bubbles inside the human body on depressurization.

"Divers get Decompression Sickness from rapidly rising toward the surface."

Decompression Sickness by Memes69 May 14, 2018

Jackie Sickness 

Jackie Sickness is when you are attracted to a fictional character or animal. Sometimes both at the same time.

Girl 1: I’m attracted to Cat Noir.

Girl: 2 Oh, you have Jackie Sickness.

Jackie Sickness by Hxe_Maden March 26, 2021

Sorority Sickness 

Any STD caught by hooking up with a sorority girl. Some of the most common forms of sorority sickness include chlamydia, herpes, Alpha-Phi, and gonorrhea.

I got Sorority Sickness after hooking up with Amanda at that frat party.

Sorority Sickness by Four Loko Frat Guy November 14, 2022

take a sickie 

Australian slang to take the day off sick from work or school when you're perfectly healthy

"I had to take a sickie"
"I let my daughter take a sickie so she could finish her homework."

take a sickie by Tiny Cooper September 10, 2016