Everyone who attends the dinner party is guaranteed to get laid that same night.

It is the snack that eats back. You could take it further and say it's a mimic.

The pineapple absorbs 1 health from all creatures within 10 yards, per hour.

"Has that pineapple been growing this whole time?"

Lots of videos out there on this specific thing for some reason. Maybe Tablescaping is more popular than I thought?

https://www.youtube.com/watch?v=31niB9ovETs

Making a comment related to the pineapple or related tabledressing is guaranteed to lead to an interesting conversation for all parties involved, which is based on a factual, truthful event.

Everyone within 20 feet is influenced to interpret comments by the other participants in either a) the most positive or b) the most negative possible way, dealer's choice.

While looking at the pineapple, any food you eat tastes like your favourite food.

+20 appetite

This is a really interesting question. I hope you crosspost it elsewhere so it gets the coverage it deserves.

Everyone who attends a party with a rented pineapple later remembers it as a classy affair. However, you lose the deposit on your rental

Fun fact this actually comes from an old tradition where a pineapple was a symbol of hospitality, and when the pineapple disappeared the hospitality was gone, the party was over and you needed to leave.

So literally a DJ fruit.

The longer you look at the pineapple, the more your food tastes like pineapples. There comes a point when your food is too sweet, too acidic, but you can't stop looking at the beautiful pineapple.

Alternatively, it makes everyone's piss a deep yellow. Saturated and not healthy at all. Weeing is painful and feels like a pineapple getting squirted out of whatever hole you wee out of. Everybody avoids drinking water and only eat dried food, and they all die from dehydration within 3 days.

If you've got extra pineapples when you're done, you can make them into single use cups with fancy drinks too.

Turn you into The Captain

It starts levitating, then explodes.

Assuming we would still be in this universe we call reality, any, really. Anything magical would be interested.

Ravenous boners of speed.

Every bite of pineapple sends you to hell to shove a pineapple up hitler's asshole