Get ready, people!
And click on the live-streaming at the link. People are visiting the corpse flower, and you can watch them and hear them talk. At some point the thing is going to stink like mad, and you'll be able tell from the reaction of the visitors. Then it's time to scamper over there and get a whiff of it yourself.
What does it smell like? Read the sign (click the image and then on "all sizes" to get the full enlargement):