A roller coaster, dental floss, a tapeworm, a piece of spaghetti. Even the curvaceous cartoon movie character Jessica Rabbit.
These are just a few of the early descriptions of a $3.5 million, Japanese-designed artwork that will straddle Sydney's main street.
City of Sydney's Lord Mayor Clover Moore described the design of the steel Cloud Arch that will stand between 50m and 75m high over George Street, as "momentous".
"The artworks ... will cement Sydney's reputation as a capital of culture and creativity", Ms Moore said.
Others were less kind.
"I mean, why not build a piece of public art that we all like and that also costs no money", read one of the many responses on Twitter.
"seattle has the space needle, only fair sydney has the space noodle #sydneystatue," said another Twitter user.
"SO EXCITED ABOUT THE NEW ROLLERCOASTER COMING TO GEORGE STREET #sydneystatue," said Adam Liaw.
"I'm not *bad*, I'm just built that way," a user called Reuben wrote in reaction with the artwork being likened to the curvaceous Jessica Rabbit from Who Framed Roger Rabbit fame.
The Junya Ishigami design, which is designed to feel cloud-like because of its height, was unveiled on Tuesday morning at Sydney Town Hall. The artwork is to rise diagonally across from the Queen Victoria Building to the Woolworths building.
It is part of plans to make the heart of Sydney pedestrian friendly and have light rail running down George Street under the showpiece of a $9.3m suite of public artworks.
A $2.5m pavilion by Hany Armanious, that has already been dubbed the Milk Crate, will stand in Belmore Park near Central Railway Station.
Controversial British artist Tracey Emin has been given the nod to create a $2.1m corridor of bird installations in the area near Wynyard.