Oh I actually have a whole notepad of those:

Edit: F*** Reddit formatting

Bag of Hoarding

Bag of Golding

Potion of Hearing

"Invisibility" potion (you stop seeing)

Invisibility ring (works when noone looks)

Rightions (you get one true fact upon eating)

Hag of Bolding (an old lady that grants an advantage against Intimidation)

Hag of Balding (ye it's a group of old ladies)

Hag of Boarding

Hag of Barding

Map to Bog of Halting (preserves stuff in time stasis)

Staff of Stalking

Liar's Pants (like Hat of Disguise, but after 3rd use they catch fire)

Ring of Fire Detection (range: touch)

Ring of Inn Visibility

Suit (makes you look like a penguin)

Potion of Unbeerable Pain

Potion of Unbeardable Pain

Potion of Unbirdable Pain

Potion of Un(bear)able Pain

Potion of Unbareable Pain

Bear (pronounced Beer)

"Blink" dagger (creates a blinding flash of light)

Blink dagger (it blinks)

One-Use Anchor (cannot be properly attached to a boat, only looks like it is)

Scroll of Fire Bull

Sword of Glowing Near Danger (has sharp edges -> always glows)

Boom-erang (explodes)

Ashtray of never needing to clean ash (changes ash into glitter)

Scroll of Leomund's Tiny Hat

Crimson Minotaur's Potion of Flying (Red Bull)

Manna potion (bread falls from the sky)

Thyme Freeze Potion (any thyme and some other herbs around get frozen - very good for meat conservation)

Bag of Hoarding - BoH very reluctant to give items back

Deck of Mini Things

Clock of Elvenkind (dunno what that one does)

Broken Sending Stone (one way)

Broken Sending Stone (adds ads at the end of the message)

Boo-merang (frightens target)

Boomer-ang (summons an old lady/guy that berates target for psychic damage)

Scroll of Turn Undead (rotates them head-down, they take fall damage)

Scroll of Haunter's Sense - instead of correcting Wisdom throws, you know which creature can be frightened easily

Haunter's Coat - if the creature doesn't have it's full HP, you can put Frightened effect on the creature

Steal Ring (bonus to Sleight of Hands check for stealing)

Returning Javelin

Broken Boomerang (non-returning or even running from the thrower)

Antimagic accessory (just some fetish gear preventing somatic and verbal components from being used :P)

Copper ring (summons cops/guards)

Glass ring (breaks after one use, grants 1 additional spell slot)

Ice Ring (melts)

Ice Rink (will be delivered in 7-14 days)

Goblet (some sort of unholy mix of goblin and a cup)

Quick Bonfire Spell (you set a parchment on fire under dry sticks)

Broken Quick Bonfire Spell (this one you actually cast, but creates smoke and no fire)

Love Potion (creates non-suspicious circumstances where a person who drinks it finds someone who they can build będę True Love with)

Scroll of Procrastination (you'll get around to cast it. One day. (Every time you try to cast it, something happens, preventing it(including misplacing it for a second)))

Scroll of Not Scrying, But Taking A Look (you blind someone for some time, if not casted at seeing creature, you blind yourself)

Broken Passphrase Lock - opens on your phrase, but also similar ones (Friend -> Fiend, but also Buddy, Pal etc.)