Squickening 

To have sexual intercourse with ones eyesocket

After Sarah took out her glass eye, Billy gave her a squickening.

Squickening by Suckadog November 6, 2002

Sickeningly 

Sickeningly is an adjective which means causing or capable of causing sickness, especially nausea disgust or loathing.

Some of the definitions written for Urban Dictionary by teenage spite monkeys are sickeningly repulsive and graphically demonstrates their childish, self-aggrandising stupidity.

Sickeningly by AKACroatalin September 1, 2016

sickening 

It refers to when you look at a person and they look so good it makes you sick, used esp. for females/drag queens/transexual females checking out other females/drag queens/transexual females - but meant completely as an admiration (with a slight connotation of politically acceptable jealousy)

That bitch is SICKENING!!

sickening by Angelstar July 29, 2008

sickening 

This refers to somthing that is fabulous, over the top, fierce, the "T", eating it, flawless, frieghtening, nervous talent, etc. All terms coveted by the GBLTQ communities describing something that is extremely pleasing.

Mrs. thing was wearing the most sickening gown I had ever seen. She was just fierce!

sickening by Demicci D. Dior-Britt December 20, 2007

sickening 

Something that is insanely good.

A sickening performance.

sickening by Mark Sanger February 1, 2005

Sickening birder 

A male that takes down women for fun, who's way with the opposite sex is unrivalled by his peers.

Did you hear Jarv shagged 4 women last week. He's a sickening birder.

Sickening birder by Le B3ar November 16, 2011

sickening sicko 

a word describing the most disgusting person, word, saying, or action.

person #1: (Sneeze dramatically without covering mouth)

person #2: cover your mouth, you sickening sicko! Jeez! this is why swine flu is spreading, because of sickening sickos, like you, who don't cover their mouths when they f*@#ing sneeze!

person #1: (guiltyly) sorry.

sickening sicko by codenamejester May 16, 2009