Sifilis 

An infectious disease caused by a mischief, usually transmitted by random acts of stupidity, marked initially by irritation and progressing to groin pain. Outbreaks recur cyclically. If left untreated long enough, can lead to madness.

Origin: Loki television series, Season 1, Episode 4, "The Nexus Event"

Etymology: Old Norse

Loki contracted Sifilis following an ill-advised attempt to cut Sif's hair.

Sifilis by gnomeworx July 4, 2021

Sifilis Sea 

A breading ground for the Semen Salmon and other Semen ingesting sea creatures.

The Semen Salmons natural habitat is the Sifilis Sea

Sifilis Sea by stratfordsuxx August 24, 2010

sifilis girl 

when u fuck another guy after you break up with ur boyfriend and he is a scurfy mother fucker!!!!!

broke up with my boyfriend johnny and i bang some hood rat and get something ooozing out of my cooter and how i became known as sifilis girl :(

sifilis girl by g04e1te March 11, 2009

snifilis 

An extreme, potentially highly contageous, case of sniffling

My girlfirend kept me up all night the other night with her sniffling, I think she might have snifilis

snifilis by Juffy Jufferson June 24, 2012

Similistic 

an adjective describing a person or action that works to the benefit of all parties involved. From the Latin "simul" meaning together. An alternative to egoistic or altruistic.

John's similistic attitude made him a perfect arbitrator for Bill and Marry's divorce.

Similistic by GR8_VIII June 16, 2018

Sif-ilis 

An infectious disease caused by a mischief, usually transmitted by random acts of stupidity, marked initially by irritation and progressing to groin pain. Outbreaks recur cyclically. If left untreated long enough, can lead to madness.

Origin: Loki television series, Season 1, Episode 4, "The Nexus Event"
Etymology: Old Norse

Loki contracted Sif-ilis following an ill-advised attempt to cut Sif's hair.

Sif-ilis by gnomeworx July 3, 2021

Similish 

A vague likeness. Similar ish.

Dave: My cock is similar to yours Greg!
Greg: Nah it’s a bit smaller Dave, it’s similish!

Similish by B. Kizzle October 20, 2022