sickmotion 

A term widely used in the MOBA game League of Legends. If one is said to have sickmotion they most likely just made a really bad decision or a poorly thought out move.

Hey man why did you go in 1v5 that was so sickmotion.....

Wow you literally sat there and watched them kill you, you're so sickmotion.

I can beat him easily because he has sickmotion.

sickmotion by chaseonfire December 2, 2010

Sickation 

Using sick time at work to get a paid vacation because you are about to lose your accumulated sick time or because you want days off but have no more vacation time.

I really want to get away next week but I used all my vacation time, I'll just take a sickation.

Sickation by benny_hill_show June 28, 2008

Sicktional 

When someone says something they didn’t mean, but they’re sick so they can get away with anything.

Was that sicktional or intentional?

Sicktional by AYYMMEE June 6, 2018

sicktion 

Combining the words sick and addiction, sicktion is an addiction to a sick, gross, or disgusting thing.

Bobby's booger eating habit is such a sicktion.

sicktion by Levi is better than Sean June 17, 2008

Sickation 

The act of using one's sick hours or sick days at work as a vacation day(s)

"I have 83.8 sick hours"
"Dude! You need to take a sickation!"

Sickation by celticguy11 January 21, 2013

sicksation 

an extreme fixation that others regard as sick, nasty, disgusting, probably will wind you up in a mental institution

Usually a teenage girl has a sicksation type reaction to a boy band. (i.e. posters on their bedroom wall, coupled with intimate knowledge of band members dietary preference, pets named after band members, several weeks worth of band nostalgic clothing)

sicksation by The 'Nedu and Miss Continental May 22, 2006

Urban Sicktionary

Category of words and phrases listed in Urban Dictionary which are particularly crude, rude, obnoxious, offensive or foul.

Joe: Hey, Geoff, did you read that Dirty Sanchez definition in the Urban Sicktionary?

Geoff: Yeah man, that is just nasty.

Urban Sicktionary by coal6 July 14, 2010