Endless NSFW Moaning Congrats Card with Glitter
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Shop EU PartnerThis prank card fills the room with a sound nobody expects — until the battery dies
Here's the setup: it looks like a totally normal, even heartfelt card. They open it — and it starts moaning. Not a beep, not a song. The unmistakable soundtrack of a very private moment, playing at full volume, in the middle of wherever they happen to be standing. It's the "When Harry Met Sally" restaurant scene, except it's their hands holding it and it will not stop. Close the card? Still going. Shove it in a drawer? Muffled, but going. This is one of those cards that doesn't stop — it loops even when closed, for hours, until the battery finally dies. And when they flip it open in a panic to find the off switch, the inside reads: "It's just a card."
You can open it to test the sound, sign it, and get it ready first — it only arms once you pull the tab, so there's no rush and no surprises on your end. (Theirs is another story.)
How the Endless Musical Card Works
- Open the card to test the sound, sign it, then close it to stop the sample.
- Insert the card into the envelope and pull the tab from the spine to arm it.
- Once they open it, it loops nonstop — even if they close it — and plays for hours, until the battery dies.
- The glitter is packed around the battery compartment, so when they finally pry it open to kill the sound, glitter spills everywhere.
Great For
- The friend who can take a joke — the one who will absolutely get you back, and deserves it. Bachelor and bachelorette parties, birthdays, group chats that have gone too far.
- Your person, actually — long-distance couples and Valentine's Day. Under the joke, it's a wink only the two of you are in on.
- The prank that keeps giving — because it plays for hours, the reaction isn't a moment, it's an afternoon.
- Anyone who thinks they've heard every card — they have not heard this one. Nobody has heard this one in public and recovered gracefully.
Discreet plain white envelope included — nothing on the outside gives it away.
Frequently Asked Questions
Can I sign the card before it activates?
Yes. You can safely sign the card and it will play one-time. Close the card and it will stop.
How long does the song play?
Once activated, the card plays continuously for 3 to 6 hours until the internal battery dies. There is no off switch. Please note; batteries are like a sponge so if they open it again you'll get more music.
How do I activate the card?
We suggest inserting the card into the envelope first the remove the instructional tab from the spine. The moment your recipient opens the card, the song (or sound, depending on your design) starts playing automatically and won't stop until the battery dies or it's broken.
How do I stop the song?
Once activated there is no off switch. The song plays until the battery dies. Attempting to destroy the card triggers the hidden glitter (or in some cases the glitter is found when the pull strip is removed). That's the prank.
Does the card come with a Glitter Envelope
No. All cards ship with a plain white envelope. The glitter is already built inside the card itself, either hidden inside waiting to be unleashed or behind a pull-strip reveal. If you want the full glitter ambush on the outside too, we sell Glitter Trap Envelopes separately.
