You tossed your Loose Rictus Teeth into the rift and a moment of calm is followed by a flash of red lightning, before the rift shoots out Schismi!
[Item=schismi] Didn't count towards item transforming, but a cool rift item nevertheless. :)
You tossed your Bubbleye Berries into the rift and a moment of calm is followed by a flash of red lightning, before the rift shoots out Blue Mothers Day Bouquet!
:/
You tossed your BLT Sandwich into the rift and a moment of calm is followed by a flash of red lightning, before the rift shoots out Baguette Hairpin[ITEM=Baguette Hairpin]!

You tossed your Bubbly Blueberry Pie into the rift and an immediate flash of red lightning shoots out, along with your new item, Rift-Touched Pie Slice!
You tossed your into the rift and a moment of calm is followed by a flash of red lightning, before the rift shoots out
You tossed your Lounge Trinket into the rift and a moment of calm is followed by a flash of red lightning, before the rift shoots out nothing at all. Guess you lost that one.
You tossed your into the rift and a moment of calm is followed by a flash of red lightning, before the rift shoots out !

You toss 407 sP into the Rift... After a few seconds, 443 sP comes flying out!
bird and bear and hare and fish give my love her fondest wish
You tossed your into the rift and a moment of calm is followed by a flash of red lightning, before the rift shoots out !
You tossed your Pomelo into the rift and a moment of calm is followed by a flash of red lightning, before the rift shoots out Paw Print T-shirt!
[tot=Snowwall] | [egg=Snowwall] | [tp=Snowwall]
You tossed your Dad Jokes into the rift and a moment of calm is followed by a flash of red lightning, before the rift shoots out Grape Cybill Footsicle!
You tossed your [item2=25HP Healing Potion] into the rift and a moment of calm is followed by a flash of red lightning, before the rift shoots out [item2=Subeta Plushie]!
You toss 250,000 sP into the Rift... After a few seconds, 299,465 sP comes flying out!
You tossed your Cream and Green Egg and Nest Candle into the rift and an immediate flash of red lightning shoots out, along with your new item, Rift-Touched Eggs Sunny Side Up. ->
-- [tot=Kuikka]
Zapper misses!
The laser completely bypasses your pet and goes straight for your items!
It transforms your Loyalty Box into a Dust!
You tossed your Ninja Flopit Figurine into the rift and a moment of calm is followed by a flash of red lightning, before the rift shoots out Brown Belt!
You tossed your Brown Space Bunny Plushie into the rift and a moment of calm is followed by a flash of red lightning, before the rift shoots out nothing at all. Guess you lost that one.
>> O
You tossed your Eggs into the rift and an immediate flash of red lightning shoots out, along with your new item, Rift-Touched Eggs Sunny Side Up.
===>
You get that achievement by falling into the rift yourself while tossing in an sP amount. It seems to be a random result so far, but people have gotten it from tossing in 100k-250k, so you could probably get it randomly while working towards the 10 mil achievement. :)