Jizz

Sexy Slug.

Hotchickswithtattoos

Playing catch with my dog | Mutated slug

FiftyFifty

[Gifted] MASSIVEMULL. Because butt slugs<3

Random_Acts_Of_Amazon

[W]or[M]s and a slug.

WhyWouldYouFuckThat

OP puts a slug up his ass [NSFW]

4chan

Radula of a slug (teeth)

Damnthatsinteresting

Metal Slug girls

ecchi

I laughed a little too hard at this (nsfw) - slug

furry

Markiplier fucks slugs instead of aliens now

ConfusedBoners

Fio and Eri having some fun with a double-ended dildo (lasterk) [Metal Slug]

rule34

Fio Germi's anal training (Valmar) [Metal Slug]

rule34, Rule34_anal

I can see it [Metal Slug]

pantsu

Dragunov [Metal Slug]

fitdrawngirls

Dragunov [Metal Slug Attack]

fitdrawngirls

Nasty Violet gives a blowjob slug and gets fucked hard by the pussy

LipsThatGrip, nsfwhardcore, nsfw_gifs, porn_gifs, dirtysmall, SheLikesItRough

Captive [DT] (Slug)

Yiffbondage, HorsecocksMasterRace

Slimy Encounter [F Human -> F Slerm (Slug/Goo Girl)] - Lunate

transformation

[Different version of 'Yeah, Bye'] Pussy Slug

oglaf

Fio Germi(Nishide Kengorrow)[Metal Slug!]

fitdrawngirls

Fio Germi by Lasterk [Metal Slug]

hentai, DirtyGaming, ecchi, rule34

Game Over: Metal Slug

Vore

More Metal slug - Marco getting some

PixelArtNSFW

Sluggish (F Multi-Breast Slug Post-TF) by Unidentified-TF

transformation

Pet Rukia (F Multi-Breasted Slug Girl Post-TF) by Thetransformtentacle

transformation

Adorable Fio (PYNKBLUD) [Metal Slug]

rule34

Fug the slug

MonsterGirl

Sea slug villain squad (Fiship)

MonsterGirl

Eri Kasamoto [Metal Slug]

fitdrawngirls

Sluggish (F Human -> F Slime/Goo Slug) by maws-paws

transformation

a calm and smooth day ~ {M Human -> Inanimate Body Pillow/Dakimakura; MTF/TGTF, Eri Kasamoto Twinning/Character TF, Flattening} [Metal Slug] from StellblackKaru

transformation, Inanimate_TFs

Boing boing ~ {F Multi-Breasted Sea Slug Post-MTF/TGTF} from Gwenhael

transformation

Slime Transformation [M Human -> F Goo Slug Girl; MTF/TGTF] by Miraimiru

transformation

Slime Time [M Human -> F Slug] - Miraimiru

transformation

Fiolina "Fio" Germi (Saigado) [METAL SLUG]

rule34

MirrorBoxWaifu #011 - Fio Germi (Bokuman) [Metal Slug]

WaifusOnCouch

[F Human ->Slug-Girl, Post-TF, Multibreast, Goth] Sluggirl by Narrative775

transformation, TrueMonsterGirls

Fio [Metal Slug] (SoftShikiOni)

rule34, ImaginaryBoners

That's a nice slug

TrueMonsterGirls, Lamia, MonsterGirl

Lovey dovey [Slug Box] (Helltaker)

ShimaidonHentai

SCL's comic with worm, slug, and demon, finally got translated after many years (link to the comic in comments)

TrueMonsterGirls, TongueTwisterGirls

and then she said im not ready for potty training, can you belive that? you know Mr. Slug you are a very good listener

diaperhentai

"untitled figure study with slugs iii", Me, Caran d'Ache pencil and pastel on paper, 2021

NSFWart, EroticArt

Fio [Metal Slug]

Eerisyn, rule34, hentai, hentaiposts, HentaiParadise, ecchi, thighdeology, fitdrawngirls, HentaiCity, HentaiMuscle

Fio Germi - when you are saving the world, a nip slip is the least of your worries (OptionalTypo) [Metal Slug]

rule34

Fio Germi - Bunny suit and reverse bunny suit but with a gun (Crystalsugarstars) [Metal Slug]

rule34