Arsle Gothic
Ass Gothic

Bajsmaskin
Literal translation: Crap Machine
Probable implying to the bottom, "Shit Factory"

Bajsmaskin Tjock Sprutande
Crap Machine Thick Squirting

Bajsporr
Literal translation: Crap porn

Bantarbjörn
Literal translation: Slimming Bjorn
Over weighted man who got famous in Sweden,
when trying to loss weight

Billighora
Literal translation: Cheap Whore, "$5 Blow Job Hooker"

Bonushora
Literal translation: Bonus Whore

Brottardolme
Literal translation: Wrestlers Roll
("roll" like in stuffed cabbage roll)
Probable implying a large penis

Brunkål 
Brown Cabbage
(No obscene content as far we know)

Brunst
Heat or Rut,
no difference between sexes in the Swedish language

Brunst Caps
Heat/Rut Caps 

Brunöga
Literal translation: Brown Eye
Anus

Fetma
Fatnes 

Fisring
Literal translation: Fart Ring
Anus

Fittsvamp
Yeast Infection

Flottig
Greasy

Flytningar
Discharge Flux

Flytningar Sprutande
Discharge Flux Squirting

Flytningar Svulstiga
Discharge Flux Bombastic

Galla
Gall; Bile

Galla Black
Gall; Bile Black

Galla Bold
Gall; Bile Bold

Gammelfitta
Old Cunt

Gathora
Street Whore

Gubbröra
Literal translation: Old Mans Mess
Swedish traditional dish of eggs, anchovies and onion

Helvetet
The Hell

Helvetet 2
The Hell 2

Inavel Förtvinad
Literal translation: Inbred Wither Away

Inavel Kromosomkalas
Literal translation: Inbred Chromosome Party

Inavel Kusin
Literal translation: Inbred Cousin

Inavel Mutant
Literal translation: Inbred Mutant

Inavel Storebror
Literal translation: Inbred Big Brother

Inavel Tjocka släkten
Literal translation: Inbred Fat Relations

Kattkodd
Possible translation: Cats Dick

Kewken
Possible translation: Penis
"Kewken" can be a south Swedish dialectal
pronunciation of the word "kuken" = the cock

Kisskorv
Literal translation: Wee Sausage

Knarkarsvin
Drug Addict Pig

Lantfnask
Country Hooker

Lillsnase
Lil' Willie,
childish/humoristic term without any offensive value.

Lingonvecka
Literal translation: Cowberry Week;
Red whortleberry Week.
I think the "cranberry week" translation could, by conceptual extension and contextual consideration, be taken to mean something along the lines of "menstruation week" (but cruder, naturally).

Läderbög
Leather Fag; Male homosexual who wear leather clothing

Manslem
Old fashioned designation of the penis

Multihora
Literal translation: Multi Whore

Ollon
Head of the Cock

Onani
Masturbation

Pormask
Blackhead

Pormask 2039
Blackhead 2039

Pormask Innebrännare
Blackhead Someone who burns people to death indoors

Pormask Klämd
Blackhead Squeezed

Pormask Remix
Blackhead Remix

Porrblaska
Porn Magazine

Pungen 
The Balls

Påsättning
Sexual intercourse

Reningsverk
Purifying (sewage-treatment) plant

Rugguggla
Owl in molting season.
Used about unattractive women

Rumpnisse
A kind of retarded troll  from "Ronia, the Robber's Daughter", by Astrid Lindgren.
Used about male homosexuals

Runkspad
Literal translation: Jerk off liquid; Ejaculate or Semen

Ruttenspya
Rotten Vomit

Råttpick
Rats' Prick

Rännskita
Diarrhoea
Literal translation: Running butt.
Ränn is dialect for rinna (run, flow, stream etc.)

Rövkräm
Literal translation: Ass Cream

Rövpåle
Literal translation: Ass Pole

Skinnbanjo
Literal translation: Skin Banjo
"Play the Skin Banjo"= to masturbate

Skäggbiff
Literal translation: Beard Beef Steak;
extremely hairy vagina

Sneflabb
Literal translation: Askew Jaws

Snetripp
Bad Trip

Snuskpåk
Literal translation: Dirty Cudgel
Penis

Spinkig jävel
Skinny SOB

Spritad
Shelled, Hulled

Sprutfest
Literal translation: Ejaculation Party, "Circle Jerk"
(or Syringe Party - both translations possible)

Spräckaren
The Cracker; The Breaker

Spyhink
Vomit Bucket

Stjärt
Behind, Bottom

Stångkorv
Sausage of barley and meat, served mashed

Sönderfistad
Broken after being exposed to fist sex

Tarmsaft
Intestine Juice

Tarmsystem
Intestine System

Taskeksem
Scrotum Eczema

Taskeksem Inflammerat
Scrotum Eczema Inflamed

Tidelag
Beastiality; Sexual intercourse with animals

Tidelagskorprofag
Beastiality Coprophage 

Tjackluder
Crack Whore, Female prostitute addicted to drugs

Tjockebo
Literal translation: Inhabitant of Fat
Possible translation: Stockholmer

TrampaIntePåMinKuk Slyna
Don'tStepOnMyDick Bitch

Våldtäkt
Rape

Ytterhud
Fore Skin

Åderpåk
Literal translation: Vein Cudgel

Äggstock
Ovary

Äggstock Gravid
Literal translation: Ovary Pregnant