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🎃Spooky👻

At Killer Acid HQ Halloween is year round... but these items are EXTRA Halloween.

38 products

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  • NEW

Killer Acid Haunted House pullover hoodie, black with glow-in-the-dark aqua haunted mansion back print and cat logo

Haunted House Pullover Hoodie

$75.00
Haunted House Glow in the Dark Long Sleeve - Long Sleeves

Haunted House Glow in the Dark Long Sleeve

$50.00
Front flat lay showing haunted house design

Haunted House Glow in the Dark T‑Shirt

$40.00

  • New

Killer Acid Haunted Glow black wool felt cap with glow-in-the-dark aqua three-eyed cat patch

Haunted Glow Felt Hat

$35.00

  • New

Killer Acid Haunted Glow beanie, black and aqua psychedelic swirl knit with glow-in-the-dark three-eyed cat patch

Haunted Glow Beanie

$35.00

  • New

A pair of crew socks with a black and light blue wavy zebra-like pattern, featuring a detailed black graphic on one sock and a white toe and heel, displayed on a solid turquoise background.

Haunted Glow Socks

$15.00
Killer Acid Stoner Graveyard vintage-wash tee — psychedelic cemetery scene, reads Beware the Dangers of Marijuana

Stoner Graveyard Vintage Wash T‑Shirt

$40.00

  • NEW

Killer Acid Black Skull Pocket tee - speckled black shirt with skull graphic on chest pocket

Black Skull Pocket T‑Shirt

$50.00

  • New

Moster Hash T‑Shirt

$35.00
Weed Wolf T-Shirt

Weed Wolf T‑Shirt

$35.00
Smoke With Us Danny T-Shirt

Smoke With Us Danny T‑Shirt

$35.00
Nugsferatu T-Shirt

Nugsferatu T‑Shirt

$35.00
Frankenbong T-Shirt

Frankenbong T‑Shirt

$35.00
Haunted House Glow in the Dark Sticker - Stickers

Haunted House Glow in the Dark Sticker

$5.00

  • Save $3.00

Killer Acid Haunted House XL sticker, a teal Victorian haunted house packed with ghosts and goblins on purple

Haunted House XL Sticker

$5.00 $8.00
Moon Cat rotating enamel pin: yellow crescent moon with a happy face, black satin finish, and a blue cat.

Moon Cat Rotating Enamel Pin

$20.00
Nugsferatu Sticker - Stickers

Nugsferatu Sticker

$5.00
Halloween Mug - Accessories

Halloween Mug

from $20.00

  • New

Monster Hash Poster

from $25.00
The Weedwolf poster by Killer Acid: blue werewolf raiding a fridge beside a smiling full moon, stoned wolf-people below

The Weedwolf Poster

from $25.00
Halloween Poster - Posters & Prints

Halloween Poster

from $25.00
Count Bluntula Poster

Count Bluntula Poster

from $25.00
Halloweed iPhone Case - Accessories

Halloween iPhone Case

$30.00
Haunted House iPhone Case

Haunted House iPhone Case

$30.00
Halloweed Mouse Pad - Accessories

Halloween Mouse Pad

$20.00
Killer Acid Le Freak enamel pin - shaggy multi-eyed hippie character with long hair and orange hat

Le Freak Enamel Pin

$13.00

  • Save $10.00

Front flat lay showing crystal wash with heads pattern

Purple Heads Deluxe Crystal Wash T‑Shirt

$40.00 $50.00
Front flat lay showing Results May Vary design

Results May Vary Long Sleeve

$50.00
Results May Vary Pin - Pins

Results May Vary Enamel Pin

$20.00
Acid Magic enamel pin: 1.2" black nickel pin with a yellow head and a neon green, red, and pink psychedelic design.

Acid Magic Enamel Pin

$13.00
Ye Ol Skull Pin - Pins

Ye Ol Skull Enamel Pin

$13.00
Killer Acid Friendly Scorpion enamel pin - white scorpion character in a brown cowboy hat, glow-in-the-dark

Friendly Scorpion Enamel Pin

$13.00

  • Save $15.00

Head Popper Pin Set - Pins

Head Popper Enamel Pin Magnetic Set

$15.00 $30.00
Killer Acid Smoke With Us Danny sticker — two weed-bud-headed twin girls in blue dresses, reads Come Smoke With Us Danny

Smoke With Us Danny Sticker

$5.00
Smile Now Cry Later Enamel Pin - Pins

Smile Now Cry Later Enamel Pin

$15.00

  • Save $5.00

Killer Acid The Scream enamel pin - orange screaming face parody of Munch's The Scream on illustrated card

The Scream Enamel Pin

$8.00 $13.00
Killer Acid Lil Devil enamel pin – red devil head with 66-shaped horns, yellow eyes and a yellow bow tie

Lil Devil Enamel Pin

$13.00
Stronger Weed Sticker Sheet - Paper & Party Supplies

Stronger Weed Sticker Sheet

$7.00

More Collections

Rainbow foil paper print showing full cat planet scene

CATS! CATS! CATS!

Killer Acid Mushroom Stripes button up - blue & pink stripe shirt with mushroom print, chest pocket

Mushroom Friends

Killer Acid Blue Head Pocket T-Shirt front product view

🐶Dog Daze of Summer Sale🌞